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七巧板长方形的分解图

来源:baiyundou.net   日期:2024-08-05

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曹汤卿3723用一副七巧板拼出一个长方形和一个等腰梯形 最好是配图说明 最好就是配图了 -
柏姬固17190535651 ______[答案] 把平行四边形的左上角的三角形变化一下就可以了.

曹汤卿3723七巧板能拼成长方形吗?图片 -
柏姬固17190535651 ______ 能!正方形就属于长方形

曹汤卿3723用七巧板如何拼出三角形,长方形,平行四边形?多种不同方法,七块全用.最好用图表示. -
柏姬固17190535651 ______[答案] 七巧板是一种智力游戏,故名思义,七巧板是由七块板组成的.而这七这块板可拼成许多图形(千种以上),例如:三角形、平行四边形、不规则多边形、玩家也可以把它拼成各种人物、形象、动物、桥、房、塔等等,亦可是一些中、...

曹汤卿3723用七巧板中的4个图形拼成—个新的长方形. -
柏姬固17190535651 ______[答案]

曹汤卿3723...你能试试吗?想一想:(1)七巧板的2块部件能组成一个三角形吗?3块呢?5块呢?6块呢?7块呢?(2)用2块部件能组成正方形吗?3块呢?(3)用哪... -
柏姬固17190535651 ______[答案] (1)只有6块不可以,2,3,4,5,7都可以,2块的用红、蓝两块一样的三角形就可以拼出来,其他的如下图: (2)用两块全等的... 所以2块、三块都可以的; (3)正方形和两个三角形可拼出长方形;正方形、两个三角形还可以拼出梯形.

曹汤卿3723请用七巧板分别拼出长方形,等腰直角三角形和直角梯形,你能各拼出几种? -
柏姬固17190535651 ______[答案] 两个等腰直角三角形拼在一起,可拼成一个等腰直角三角形. 2、两个等腰直角三角形可以拼成一个等腰梯形. 3、两个等腰直角三角形可以拼成一个平行四边形 4、两个等腰直角三角形可以拼成一个正方形等等

曹汤卿3723组成“七巧板”的图形有______. -
柏姬固17190535651 ______[答案] 由七巧板的组成可知,七巧板由3种图形组成,其中五块等腰直角三角形,一块正方形和一块平行四边形. 故答案为:五块等腰直角三角形,一块正方形和一块平行四边形.

曹汤卿3723正方形、长方形、等腰直角三角形、平行四边形,这四种图形中,七巧板的七板中,没有的图形是______. -
柏姬固17190535651 ______[答案] 正方形、长方形、等腰直角三角形、平行四边形,这四种图形中,七巧板的七板中,没有的图形是 长方形. 故答案为:长方形.

曹汤卿3723用七巧板中的4个图形拼成一个新的长方形 -
柏姬固17190535651 ______[答案] 用正方形,平行四边形,和两个最小的三角

曹汤卿3723> 七巧板拼成的长方形各由哪些简单图形组成 - 组合图形的面积计算 教学设计 -
柏姬固17190535651 ______ ·《认图形》长方形、正方形和圆 说课设计 《认图形》长方形、正方形和圆 说课设计 教学内容:义务教育课程标准实验教科书数学(苏教版)一年级下册第三单元《认图形》. 教材分析:本节课教学认识长方形、正方形和圆三种常...

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