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文翔股2054小学二年级数学题缺了1/4角的正方形,如何剪出4个同样形状,同样大小的图形来? -
勾良音19248371079 ______[答案] 用之上画. 延长缺的那个角! 或者. 用利用其他3个角. 来剪. 因为在正方形中4个对角相等.
文翔股2054二年级角的练习题? -
勾良音19248371079 ______ 正方形切掉一角还有几角
文翔股2054小学二年级数学上册练习题判断红领巾大角是什么角 -
勾良音19248371079 ______[答案] 红领巾的大角是钝角
文翔股2054谁能给我人教版小学数学二年级上册期中试题啊? -
勾良音19248371079 ______[答案] 一、我是小小口算家. 3*5= 80-3= 30+49= 6*3= 99-4= 23+8= 4*3= 7+55= 3*1= 6*2= 4*6= 34-6= 5*5= 4*2= 4*5= 46-6= 6+5... 5*2+19= 二、填一填. 1.一个角有( )个顶点,( )条边. 2.一条红领巾有( )个角.数学书的封面有( )个直角. 3.一个正方...
文翔股2054小学二年级数学题 三个长方形桌角,各沿直线锯掉一个相同的角,还有几个角?
勾良音19248371079 ______ 其实 对这道题的理解应该是 : 他所说的沿直线锯掉一个相同的角应理解为: 1.要沿着直线锯 2.据下的大小应相同.. 3.也是最重要的一点..聚到一个相同的角 表示..在锯下来的形状中..应该有一个原来的角..并且3个桌子上据下的应一样. 不只是指是否据下了这个角后我是否破坏了原来桌上剩下的角.. 我觉得应该这样理解...不知道我表达清楚没有 你能明白不
文翔股2054小学二年级数学图形数角的个数,如正方形、是否应包含外角的个数? -
勾良音19248371079 ______[答案] 小学数图形的角的个数是不数外角的.
文翔股2054二年级数学角的知识 -
勾良音19248371079 ______[答案] 锐角,直角,钝角. 锐角:大于0度,小于 90° 直角:等于90° 钝角:大于90°,小于180°
文翔股2054小学二年级数学题一个等腰三角形和一个直角三角形合起来有几个角 -
勾良音19248371079 ______ 直角三角形的三个角分别和等腰三角形的底角和顶角合在一起,有六个角. 精锐东川数学组
文翔股2054急,二年级上册习题(越难越好) -
勾良音19248371079 ______ 一、想一想,我能填. (1) 把口诀补充完整: 三九( ) ( )三十二 五( )三十五 ( )九六十三 (2)量一量,数一数,把结果填在( )里. ( )厘米 ( )厘米 上面一条线段比下面一条线段短( )厘米. (3) 左边这个图形里有( )个角,其...
文翔股2054一道二年级的数学题三角=星+星+星+星+星 星=圆+圆 三角=圆乘( )这些图形各代表什么数?还有没有正确答案 -
勾良音19248371079 ______[答案] 三角=12 星=2 圆=6 三角=圆乘(星)