问题 解答题
直接写出得数
12÷0.4=0.56+4.44=2.9+3.7+2.1=4×0.25=1.25×5×8=7.6×8+2.4×8=1.53-0.5=
答案

12÷0.4=30,0.56+4.44=5,2.9+3.7+2.1=8.7,4×0.25=1,1.25×5×8=50,7.6×8+2.4×8=80,1.53-0.5=1.03.

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