直接写出下面各题的结果．
56+37= 80﹣16= 31.5+5= 12﹣1.1=
1.2×0.2= 2.87÷0.7= 
= 
=
30÷50= 25×8= 
= 
=
12×
1÷
= 0×
= 
×2÷×2=
直接写出下面各题的结果．
56+37= 80﹣16= 31.5+5= 12﹣1.1=
1.2×0.2= 2.87÷0.7= = =
30÷50= 25×8= = =
12× 1÷= 0×= ×2÷×2=
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