很谢谢
二年级的多出一些新的
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Panda Olympic Math is free.
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二年级的多出一些新的
一年级做一年级的题
里面有的题根本答案就不对 可不可以不要误导孩子们 这样不是误人子弟么
卷一就有bug
2,3,5,8,12,( )( ),我填17,23哪里不对了,答案竟然是20和32,百度查完后更有意思,网友振振有词,什么前两数之和,长这么大头一回听说5+8=12,真是醉了!