（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=
420÷70＝
480÷80＝
360÷90＝
200÷40＝
352÷50＝
= 
= 
= 
=
= 0.42﹣0.32= 5.47﹣1.8﹣3.2= 0.25×8.5×4=
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