（黄岩区）直接写出下面各题的得数．
= 
= 
= 
=
= 0.42﹣0.32= 5.47﹣1.8﹣3.2= 0.25×8.5×4=
（黄岩区）直接写出下面各题的得数．
= = = =
= 0.42﹣0.32= 5.47﹣1.8﹣3.2= 0.25×8.5×4=
试题篮
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