用竖式计算，带*验算．620﹣338= *324+189= 67÷8= 537+256= *900﹣522= 46÷6=
直接写出得数．============
计算下面各题．．
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用自己喜欢的方法计算下面各题． 0.125+．
请写出下列各题的得数．======
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