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小学阶段图形与几何知识包括三部分内容:一、图形的认识与测量;二、图形的运动;三、图形与位置。
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图形分类
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","type":1},{"source":0,"text":"线
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","type":1},{"source":0,"text":"三角形
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","type":1},{"img_height":500,"img_size":95,"img_url":"https://ss-mpvolc.meipian.me/users/11028903/eb925e73b8759449d788173dbbf1a0fc__jpg.heic","img_width":500,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTEwMjg5MDMvZWI5MjVlNzNiODc1OTQ0OWQ3ODgxNzNkYmJmMWEwZmNfX2pwZy5oZWlj/nickname/5b-D6Iul5peg5r6c77yM56Kn5rW35pm05aSp/userid/MTEwMjg5MDM=/sign/e1b913d7494ccc23b0838078a59eb0ad"},{"img_height":706,"img_size":77,"img_url":"https://ss-mpvolc.meipian.me/users/11028903/c8ee00a1ad3097e4c6c4fc53afd26dba__jpg.heic","img_width":942,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTEwMjg5MDMvYzhlZTAwYTFhZDMwOTdlNGM2YzRmYzUzYWZkMjZkYmFfX2pwZy5oZWlj/nickname/5b-D6Iul5peg5r6c77yM56Kn5rW35pm05aSp/userid/MTEwMjg5MDM=/sign/e1b913d7494ccc23b0838078a59eb0ad"},{"img_height":608,"img_size":75,"img_url":"https://ss-mpvolc.meipian.me/users/11028903/677741793b220f167da88af1608292bb__jpg.heic","img_width":812,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTEwMjg5MDMvNjc3NzQxNzkzYjIyMGYxNjdkYTg4YWYxNjA4MjkyYmJfX2pwZy5oZWlj/nickname/5b-D6Iul5peg5r6c77yM56Kn5rW35pm05aSp/userid/MTEwMjg5MDM=/sign/e1b913d7494ccc23b0838078a59eb0ad"},{"img_height":608,"img_size":59,"img_url":"https://ss-mpvolc.meipian.me/users/11028903/adfcb50ba1efbded14feb17329d68755__jpg.heic","img_width":812,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTEwMjg5MDMvYWRmY2I1MGJhMWVmYmRlZDE0ZmViMTczMjlkNjg3NTVfX2pwZy5oZWlj/nickname/5b-D6Iul5peg5r6c77yM56Kn5rW35pm05aSp/userid/MTEwMjg5MDM=/sign/e1b913d7494ccc23b0838078a59eb0ad"},{"source":0,"text":"体积与推导
","type":1},{"img_height":630,"img_size":75,"img_url":"https://ss-mpvolc.meipian.me/users/11028903/617c94713904cd19724e95e0fbb68168__jpg.heic","img_width":840,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTEwMjg5MDMvNjE3Yzk0NzEzOTA0Y2QxOTcyNGU5NWUwZmJiNjgxNjhfX2pwZy5oZWlj/nickname/5b-D6Iul5peg5r6c77yM56Kn5rW35pm05aSp/userid/MTEwMjg5MDM=/sign/e1b913d7494ccc23b0838078a59eb0ad"},{"img_height":536,"img_size":63,"img_url":"https://ss-mpvolc.meipian.me/users/11028903/c12b86bd1541c238cd811d3b9e115ac1__jpg.heic","img_width":714,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTEwMjg5MDMvYzEyYjg2YmQxNTQxYzIzOGNkODExZDNiOWUxMTVhYzFfX2pwZy5oZWlj/nickname/5b-D6Iul5peg5r6c77yM56Kn5rW35pm05aSp/userid/MTEwMjg5MDM=/sign/e1b913d7494ccc23b0838078a59eb0ad"},{"img_height":626,"img_size":62,"img_url":"https://ss-mpvolc.meipian.me/users/11028903/92635cbafad0d385752b43d8b45edcc7__jpg.heic","img_width":834,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTEwMjg5MDMvOTI2MzVjYmFmYWQwZDM4NTc1MmI0M2Q4YjQ1ZWRjYzdfX2pwZy5oZWlj/nickname/5b-D6Iul5peg5r6c77yM56Kn5rW35pm05aSp/userid/MTEwMjg5MDM=/sign/e1b913d7494ccc23b0838078a59eb0ad"},{"img_height":490,"img_size":95,"img_url":"https://ss-mpvolc.meipian.me/users/11028903/18cecd9f5bbb5aeb09da4f7680bf756b__jpg.heic","img_width":654,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTEwMjg5MDMvMThjZWNkOWY1YmJiNWFlYjA5ZGE0Zjc2ODBiZjc1NmJfX2pwZy5oZWlj/nickname/5b-D6Iul5peg5r6c77yM56Kn5rW35pm05aSp/userid/MTEwMjg5MDM=/sign/e1b913d7494ccc23b0838078a59eb0ad"},{"img_height":568,"img_size":94,"img_url":"https://ss-mpvolc.meipian.me/users/11028903/b4fc11e29c4120773e3533925cf26597__jpg.heic","img_width":756,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTEwMjg5MDMvYjRmYzExZTI5YzQxMjA3NzNlMzUzMzkyNWNmMjY1OTdfX2pwZy5oZWlj/nickname/5b-D6Iul5peg5r6c77yM56Kn5rW35pm05aSp/userid/MTEwMjg5MDM=/sign/e1b913d7494ccc23b0838078a59eb0ad"},{"source":0,"text":"不规则物体体积计算转化成规则物体
","type":1},{"img_height":608,"img_size":82,"img_url":"https://ss-mpvolc.meipian.me/users/11028903/58aa08c985d28f417dbcde1ccf205965__jpg.heic","img_width":1080,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTEwMjg5MDMvNThhYTA4Yzk4NWQyOGY0MTdkYmNkZTFjY2YyMDU5NjVfX2pwZy5oZWlj/nickname/5b-D6Iul5peg5r6c77yM56Kn5rW35pm05aSp/userid/MTEwMjg5MDM=/sign/e1b913d7494ccc23b0838078a59eb0ad"},{"source":0,"text":"二 图形的运动
","type":1},{"source":0,"text":"分类
","type":1},{"img_height":540,"img_size":43,"img_url":"https://ss-mpvolc.meipian.me/users/11028903/4467bc673f833e8a1fd915f7c58d3329__jpg.heic","img_width":720,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTEwMjg5MDMvNDQ2N2JjNjczZjgzM2U4YTFmZDkxNWY3YzU4ZDMzMjlfX2pwZy5oZWlj/nickname/5b-D6Iul5peg5r6c77yM56Kn5rW35pm05aSp/userid/MTEwMjg5MDM=/sign/e1b913d7494ccc23b0838078a59eb0ad"},{"source":0,"text":"平移特点
","type":1},{"img_height":810,"img_size":71,"img_url":"https://ss-mpvolc.meipian.me/users/11028903/2ce3342b6d9308064371f9994748669e__jpg.heic","img_width":1080,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTEwMjg5MDMvMmNlMzM0MmI2ZDkzMDgwNjQzNzFmOTk5NDc0ODY2OWVfX2pwZy5oZWlj/nickname/5b-D6Iul5peg5r6c77yM56Kn5rW35pm05aSp/userid/MTEwMjg5MDM=/sign/e1b913d7494ccc23b0838078a59eb0ad"},{"source":0,"text":"旋转特点
","type":1},{"img_height":810,"img_size":72,"img_url":"https://ss-mpvolc.meipian.me/users/11028903/1f9f3715bae6bd05c56da3b1a997c6ad__jpg.heic","img_width":1080,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTEwMjg5MDMvMWY5ZjM3MTViYWU2YmQwNWM1NmRhM2IxYTk5N2M2YWRfX2pwZy5oZWlj/nickname/5b-D6Iul5peg5r6c77yM56Kn5rW35pm05aSp/userid/MTEwMjg5MDM=/sign/e1b913d7494ccc23b0838078a59eb0ad"},{"source":0,"text":"图形放大与缩小区别
","type":1},{"img_height":810,"img_size":69,"img_url":"https://ss-mpvolc.meipian.me/users/11028903/b92d09ab730805b1482bd2ca0881399c__jpg.heic","img_width":1080,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTEwMjg5MDMvYjkyZDA5YWI3MzA4MDViMTQ4MmJkMmNhMDg4MTM5OWNfX2pwZy5oZWlj/nickname/5b-D6Iul5peg5r6c77yM56Kn5rW35pm05aSp/userid/MTEwMjg5MDM=/sign/e1b913d7494ccc23b0838078a59eb0ad"},{"source":0,"text":"轴对称图形特点
","type":1},{"img_height":810,"img_size":90,"img_url":"https://ss-mpvolc.meipian.me/users/11028903/5b34cb30521fcd19a5a611686c9544d7__jpg.heic","img_width":1080,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTEwMjg5MDMvNWIzNGNiMzA1MjFmY2QxOWE1YTYxMTY4NmM5NTQ0ZDdfX2pwZy5oZWlj/nickname/5b-D6Iul5peg5r6c77yM56Kn5rW35pm05aSp/userid/MTEwMjg5MDM=/sign/e1b913d7494ccc23b0838078a59eb0ad"},{"source":0,"text":"图形运动举例
","type":1},{"img_height":540,"img_size":95,"img_url":"https://ss-mpvolc.meipian.me/users/11028903/30f3f748262f8c93a32fc0bcc07411ec__jpg.heic","img_width":720,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTEwMjg5MDMvMzBmM2Y3NDgyNjJmOGM5M2EzMmZjMGJjYzA3NDExZWNfX2pwZy5oZWlj/nickname/5b-D6Iul5peg5r6c77yM56Kn5rW35pm05aSp/userid/MTEwMjg5MDM=/sign/e1b913d7494ccc23b0838078a59eb0ad"},{"img_height":540,"img_size":63,"img_url":"https://ss-mpvolc.meipian.me/users/11028903/e087df46f7404ccbe55291c16c5bdee7__jpg.heic","img_width":720,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTEwMjg5MDMvZTA4N2RmNDZmNzQwNGNjYmU1NTI5MWMxNmM1YmRlZTdfX2pwZy5oZWlj/nickname/5b-D6Iul5peg5r6c77yM56Kn5rW35pm05aSp/userid/MTEwMjg5MDM=/sign/e1b913d7494ccc23b0838078a59eb0ad"},{"img_height":540,"img_size":84,"img_url":"https://ss-mpvolc.meipian.me/users/11028903/25de10f6b4190651f5159045c16e86d1__jpg.heic","img_width":720,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTEwMjg5MDMvMjVkZTEwZjZiNDE5MDY1MWY1MTU5MDQ1YzE2ZTg2ZDFfX2pwZy5oZWlj/nickname/5b-D6Iul5peg5r6c77yM56Kn5rW35pm05aSp/userid/MTEwMjg5MDM=/sign/e1b913d7494ccc23b0838078a59eb0ad"},{"source":0,"text":"做图该注意的问题
","type":1},{"img_height":810,"img_size":55,"img_url":"https://ss-mpvolc.meipian.me/users/11028903/ae0c8c2d2c2a4ed1689553224f014e31__jpg.heic","img_width":1080,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTEwMjg5MDMvYWUwYzhjMmQyYzJhNGVkMTY4OTU1MzIyNGYwMTRlMzFfX2pwZy5oZWlj/nickname/5b-D6Iul5peg5r6c77yM56Kn5rW35pm05aSp/userid/MTEwMjg5MDM=/sign/e1b913d7494ccc23b0838078a59eb0ad"},{"source":0,"text":"三 图形与位置
","type":1},{"source":0,"text":"平面图形中8个方向
","type":1},{"img_height":810,"img_size":97,"img_url":"https://ss-mpvolc.meipian.me/users/11028903/99d7d4bcaaafeabef9d3f91d16137e8e__jpg.heic","img_width":1080,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTEwMjg5MDMvOTlkN2Q0YmNhYWFmZWFiZWY5ZDNmOTFkMTYxMzdlOGVfX2pwZy5oZWlj/nickname/5b-D6Iul5peg5r6c77yM56Kn5rW35pm05aSp/userid/MTEwMjg5MDM=/sign/e1b913d7494ccc23b0838078a59eb0ad"},{"source":0,"text":"根据方向和距离确定物体位置的一般步骤
","type":1},{"img_height":810,"img_size":81,"img_url":"https://ss-mpvolc.meipian.me/users/11028903/85e8762e29318e9c3fc133bdcf1f42e2__jpg.heic","img_width":1080,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTEwMjg5MDMvODVlODc2MmUyOTMxOGU5YzNmYzEzM2JkY2YxZjQyZTJfX2pwZy5oZWlj/nickname/5b-D6Iul5peg5r6c77yM56Kn5rW35pm05aSp/userid/MTEwMjg5MDM=/sign/e1b913d7494ccc23b0838078a59eb0ad"},{"source":0,"text":"如何用数对描述物体位置
","type":1},{"img_height":810,"img_size":78,"img_url":"https://ss-mpvolc.meipian.me/users/11028903/ad5c9e29471e188afdf20113f6e3cef3__jpg.heic","img_width":1080,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTEwMjg5MDMvYWQ1YzllMjk0NzFlMTg4YWZkZjIwMTEzZjZlM2NlZjNfX2pwZy5oZWlj/nickname/5b-D6Iul5peg5r6c77yM56Kn5rW35pm05aSp/userid/MTEwMjg5MDM=/sign/e1b913d7494ccc23b0838078a59eb0ad"},{"img_height":810,"img_size":86,"img_url":"https://ss-mpvolc.meipian.me/users/11028903/63dfdc7956cccbbc04942b59c2b8d3a0__jpg.heic","img_width":1080,"is_origin":false,"source":0,"text":"用比例尺确定物体位置
","type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTEwMjg5MDMvNjNkZmRjNzk1NmNjY2JiYzA0OTQyYjU5YzJiOGQzYTBfX2pwZy5oZWlj/nickname/5b-D6Iul5peg5r6c77yM56Kn5rW35pm05aSp/userid/MTEwMjg5MDM=/sign/e1b913d7494ccc23b0838078a59eb0ad"},{"source":0,"text":"本部分知识重点熟记以下公式并能熟练运用:
长方形周长=(长+宽)X2
长方形面积=长×宽
正方形周长=边长x4
正方形面积=边长x边长
平行四边形面积=底Ⅹ高
三角形面积=底X高÷2
梯形面积=(上底十下底)x高÷2
圆的周长=直径x兀=半径X2x兀
圆的面积=半径x半径X兀
圆环面积=(大圆半径平方一小圆半径平方)Ⅹ兀
长方体表面积=(长X宽+长x高+宽x高)X2
长方体体积=长x宽x高=底面积x高
正方体表面积=一个面面积x6
正方体积=棱长x棱长x棱长=底面积x高
圆柱侧面积=底面周长X高
圆柱表面积=侧面积+两个底面积
圆柱体积=底面积x高
圆锥体积=底面积×高x1/3(三分之一)
小学阶段图形与几何知识包括三部分内容:一、图形的认识与测量;二、图形的运动;三、图形与位置。
","type":1},{"img_height":984,"img_size":99,"img_url":"https://ss-mpvolc.meipian.me/users/11028903/d432766d28cbb0b8728bacc50379bf3f__jpg.heic","img_width":650,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTEwMjg5MDMvZDQzMjc2NmQyOGNiYjBiODcyOGJhY2M1MDM3OWJmM2ZfX2pwZy5oZWlj/nickname/5b-D6Iul5peg5r6c77yM56Kn5rW35pm05aSp/userid/MTEwMjg5MDM=/sign/e1b913d7494ccc23b0838078a59eb0ad"},{"source":0,"text":"一、图形的认识与测量
图形分类
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","type":1},{"img_height":630,"img_size":75,"img_url":"https://ss-mpvolc.meipian.me/users/11028903/617c94713904cd19724e95e0fbb68168__jpg.heic","img_width":840,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTEwMjg5MDMvNjE3Yzk0NzEzOTA0Y2QxOTcyNGU5NWUwZmJiNjgxNjhfX2pwZy5oZWlj/nickname/5b-D6Iul5peg5r6c77yM56Kn5rW35pm05aSp/userid/MTEwMjg5MDM=/sign/e1b913d7494ccc23b0838078a59eb0ad"},{"img_height":536,"img_size":63,"img_url":"https://ss-mpvolc.meipian.me/users/11028903/c12b86bd1541c238cd811d3b9e115ac1__jpg.heic","img_width":714,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTEwMjg5MDMvYzEyYjg2YmQxNTQxYzIzOGNkODExZDNiOWUxMTVhYzFfX2pwZy5oZWlj/nickname/5b-D6Iul5peg5r6c77yM56Kn5rW35pm05aSp/userid/MTEwMjg5MDM=/sign/e1b913d7494ccc23b0838078a59eb0ad"},{"img_height":626,"img_size":62,"img_url":"https://ss-mpvolc.meipian.me/users/11028903/92635cbafad0d385752b43d8b45edcc7__jpg.heic","img_width":834,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTEwMjg5MDMvOTI2MzVjYmFmYWQwZDM4NTc1MmI0M2Q4YjQ1ZWRjYzdfX2pwZy5oZWlj/nickname/5b-D6Iul5peg5r6c77yM56Kn5rW35pm05aSp/userid/MTEwMjg5MDM=/sign/e1b913d7494ccc23b0838078a59eb0ad"},{"img_height":490,"img_size":95,"img_url":"https://ss-mpvolc.meipian.me/users/11028903/18cecd9f5bbb5aeb09da4f7680bf756b__jpg.heic","img_width":654,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTEwMjg5MDMvMThjZWNkOWY1YmJiNWFlYjA5ZGE0Zjc2ODBiZjc1NmJfX2pwZy5oZWlj/nickname/5b-D6Iul5peg5r6c77yM56Kn5rW35pm05aSp/userid/MTEwMjg5MDM=/sign/e1b913d7494ccc23b0838078a59eb0ad"},{"img_height":568,"img_size":94,"img_url":"https://ss-mpvolc.meipian.me/users/11028903/b4fc11e29c4120773e3533925cf26597__jpg.heic","img_width":756,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTEwMjg5MDMvYjRmYzExZTI5YzQxMjA3NzNlMzUzMzkyNWNmMjY1OTdfX2pwZy5oZWlj/nickname/5b-D6Iul5peg5r6c77yM56Kn5rW35pm05aSp/userid/MTEwMjg5MDM=/sign/e1b913d7494ccc23b0838078a59eb0ad"},{"source":0,"text":"不规则物体体积计算转化成规则物体
","type":1},{"img_height":608,"img_size":82,"img_url":"https://ss-mpvolc.meipian.me/users/11028903/58aa08c985d28f417dbcde1ccf205965__jpg.heic","img_width":1080,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTEwMjg5MDMvNThhYTA4Yzk4NWQyOGY0MTdkYmNkZTFjY2YyMDU5NjVfX2pwZy5oZWlj/nickname/5b-D6Iul5peg5r6c77yM56Kn5rW35pm05aSp/userid/MTEwMjg5MDM=/sign/e1b913d7494ccc23b0838078a59eb0ad"},{"source":0,"text":"二 图形的运动
","type":1},{"source":0,"text":"分类
","type":1},{"img_height":540,"img_size":43,"img_url":"https://ss-mpvolc.meipian.me/users/11028903/4467bc673f833e8a1fd915f7c58d3329__jpg.heic","img_width":720,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTEwMjg5MDMvNDQ2N2JjNjczZjgzM2U4YTFmZDkxNWY3YzU4ZDMzMjlfX2pwZy5oZWlj/nickname/5b-D6Iul5peg5r6c77yM56Kn5rW35pm05aSp/userid/MTEwMjg5MDM=/sign/e1b913d7494ccc23b0838078a59eb0ad"},{"source":0,"text":"平移特点
","type":1},{"img_height":810,"img_size":71,"img_url":"https://ss-mpvolc.meipian.me/users/11028903/2ce3342b6d9308064371f9994748669e__jpg.heic","img_width":1080,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTEwMjg5MDMvMmNlMzM0MmI2ZDkzMDgwNjQzNzFmOTk5NDc0ODY2OWVfX2pwZy5oZWlj/nickname/5b-D6Iul5peg5r6c77yM56Kn5rW35pm05aSp/userid/MTEwMjg5MDM=/sign/e1b913d7494ccc23b0838078a59eb0ad"},{"source":0,"text":"旋转特点
","type":1},{"img_height":810,"img_size":72,"img_url":"https://ss-mpvolc.meipian.me/users/11028903/1f9f3715bae6bd05c56da3b1a997c6ad__jpg.heic","img_width":1080,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTEwMjg5MDMvMWY5ZjM3MTViYWU2YmQwNWM1NmRhM2IxYTk5N2M2YWRfX2pwZy5oZWlj/nickname/5b-D6Iul5peg5r6c77yM56Kn5rW35pm05aSp/userid/MTEwMjg5MDM=/sign/e1b913d7494ccc23b0838078a59eb0ad"},{"source":0,"text":"图形放大与缩小区别
","type":1},{"img_height":810,"img_size":69,"img_url":"https://ss-mpvolc.meipian.me/users/11028903/b92d09ab730805b1482bd2ca0881399c__jpg.heic","img_width":1080,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTEwMjg5MDMvYjkyZDA5YWI3MzA4MDViMTQ4MmJkMmNhMDg4MTM5OWNfX2pwZy5oZWlj/nickname/5b-D6Iul5peg5r6c77yM56Kn5rW35pm05aSp/userid/MTEwMjg5MDM=/sign/e1b913d7494ccc23b0838078a59eb0ad"},{"source":0,"text":"轴对称图形特点
","type":1},{"img_height":810,"img_size":90,"img_url":"https://ss-mpvolc.meipian.me/users/11028903/5b34cb30521fcd19a5a611686c9544d7__jpg.heic","img_width":1080,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTEwMjg5MDMvNWIzNGNiMzA1MjFmY2QxOWE1YTYxMTY4NmM5NTQ0ZDdfX2pwZy5oZWlj/nickname/5b-D6Iul5peg5r6c77yM56Kn5rW35pm05aSp/userid/MTEwMjg5MDM=/sign/e1b913d7494ccc23b0838078a59eb0ad"},{"source":0,"text":"图形运动举例
","type":1},{"img_height":540,"img_size":95,"img_url":"https://ss-mpvolc.meipian.me/users/11028903/30f3f748262f8c93a32fc0bcc07411ec__jpg.heic","img_width":720,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTEwMjg5MDMvMzBmM2Y3NDgyNjJmOGM5M2EzMmZjMGJjYzA3NDExZWNfX2pwZy5oZWlj/nickname/5b-D6Iul5peg5r6c77yM56Kn5rW35pm05aSp/userid/MTEwMjg5MDM=/sign/e1b913d7494ccc23b0838078a59eb0ad"},{"img_height":540,"img_size":63,"img_url":"https://ss-mpvolc.meipian.me/users/11028903/e087df46f7404ccbe55291c16c5bdee7__jpg.heic","img_width":720,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTEwMjg5MDMvZTA4N2RmNDZmNzQwNGNjYmU1NTI5MWMxNmM1YmRlZTdfX2pwZy5oZWlj/nickname/5b-D6Iul5peg5r6c77yM56Kn5rW35pm05aSp/userid/MTEwMjg5MDM=/sign/e1b913d7494ccc23b0838078a59eb0ad"},{"img_height":540,"img_size":84,"img_url":"https://ss-mpvolc.meipian.me/users/11028903/25de10f6b4190651f5159045c16e86d1__jpg.heic","img_width":720,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTEwMjg5MDMvMjVkZTEwZjZiNDE5MDY1MWY1MTU5MDQ1YzE2ZTg2ZDFfX2pwZy5oZWlj/nickname/5b-D6Iul5peg5r6c77yM56Kn5rW35pm05aSp/userid/MTEwMjg5MDM=/sign/e1b913d7494ccc23b0838078a59eb0ad"},{"source":0,"text":"做图该注意的问题
","type":1},{"img_height":810,"img_size":55,"img_url":"https://ss-mpvolc.meipian.me/users/11028903/ae0c8c2d2c2a4ed1689553224f014e31__jpg.heic","img_width":1080,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTEwMjg5MDMvYWUwYzhjMmQyYzJhNGVkMTY4OTU1MzIyNGYwMTRlMzFfX2pwZy5oZWlj/nickname/5b-D6Iul5peg5r6c77yM56Kn5rW35pm05aSp/userid/MTEwMjg5MDM=/sign/e1b913d7494ccc23b0838078a59eb0ad"},{"source":0,"text":"三 图形与位置
","type":1},{"source":0,"text":"平面图形中8个方向
","type":1},{"img_height":810,"img_size":97,"img_url":"https://ss-mpvolc.meipian.me/users/11028903/99d7d4bcaaafeabef9d3f91d16137e8e__jpg.heic","img_width":1080,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTEwMjg5MDMvOTlkN2Q0YmNhYWFmZWFiZWY5ZDNmOTFkMTYxMzdlOGVfX2pwZy5oZWlj/nickname/5b-D6Iul5peg5r6c77yM56Kn5rW35pm05aSp/userid/MTEwMjg5MDM=/sign/e1b913d7494ccc23b0838078a59eb0ad"},{"source":0,"text":"根据方向和距离确定物体位置的一般步骤
","type":1},{"img_height":810,"img_size":81,"img_url":"https://ss-mpvolc.meipian.me/users/11028903/85e8762e29318e9c3fc133bdcf1f42e2__jpg.heic","img_width":1080,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTEwMjg5MDMvODVlODc2MmUyOTMxOGU5YzNmYzEzM2JkY2YxZjQyZTJfX2pwZy5oZWlj/nickname/5b-D6Iul5peg5r6c77yM56Kn5rW35pm05aSp/userid/MTEwMjg5MDM=/sign/e1b913d7494ccc23b0838078a59eb0ad"},{"source":0,"text":"如何用数对描述物体位置
","type":1},{"img_height":810,"img_size":78,"img_url":"https://ss-mpvolc.meipian.me/users/11028903/ad5c9e29471e188afdf20113f6e3cef3__jpg.heic","img_width":1080,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTEwMjg5MDMvYWQ1YzllMjk0NzFlMTg4YWZkZjIwMTEzZjZlM2NlZjNfX2pwZy5oZWlj/nickname/5b-D6Iul5peg5r6c77yM56Kn5rW35pm05aSp/userid/MTEwMjg5MDM=/sign/e1b913d7494ccc23b0838078a59eb0ad"},{"img_height":810,"img_size":86,"img_url":"https://ss-mpvolc.meipian.me/users/11028903/63dfdc7956cccbbc04942b59c2b8d3a0__jpg.heic","img_width":1080,"is_origin":false,"source":0,"text":"用比例尺确定物体位置
","type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMTEwMjg5MDMvNjNkZmRjNzk1NmNjY2JiYzA0OTQyYjU5YzJiOGQzYTBfX2pwZy5oZWlj/nickname/5b-D6Iul5peg5r6c77yM56Kn5rW35pm05aSp/userid/MTEwMjg5MDM=/sign/e1b913d7494ccc23b0838078a59eb0ad"},{"source":0,"text":"本部分知识重点熟记以下公式并能熟练运用:
长方形周长=(长+宽)X2
长方形面积=长×宽
正方形周长=边长x4
正方形面积=边长x边长
平行四边形面积=底Ⅹ高
三角形面积=底X高÷2
梯形面积=(上底十下底)x高÷2
圆的周长=直径x兀=半径X2x兀
圆的面积=半径x半径X兀
圆环面积=(大圆半径平方一小圆半径平方)Ⅹ兀
长方体表面积=(长X宽+长x高+宽x高)X2
长方体体积=长x宽x高=底面积x高
正方体表面积=一个面面积x6
正方体积=棱长x棱长x棱长=底面积x高
圆柱侧面积=底面周长X高
圆柱表面积=侧面积+两个底面积
圆柱体积=底面积x高
圆锥体积=底面积×高x1/3(三分之一)