问题 解答题
直接写出得数.
1.53-0.5=7.8+0.9=1+
7
8
=
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=
答案

1.53-0.5=1.03,7.8+0.9=8.7,1+
7
8
=1
7
8
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.

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