小明4分钟抄120个生字,小华3分钟抄105个生字,谁抄写的速度快?每分钟多多少个字?
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计算下面各题..
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(1)12个的和是多少?(2)的65倍是多少?(3)24与的积的是多少?(4)与的积的24倍是多少?
直接写得数:×= ×= ×5= ×=×0= ×= ×= ×3=×= 1×= ×= ×=