问题 解答题
直接写得数.
5.1-2=
7.2÷1.2=3.86×10=
3.9×0.01=9.1÷0.13=9.73÷10=
2.5×4=0.5+0.43=1-0.55=
0.4×0.3=98.4÷100=0.96-0.7=
答案

5.1-2=3.17.2÷1.2=63.86×10=38.6
3.9×0.01=0.0399.1÷0.13=709.73÷10=0.973
2.5×4=100.5+0.43=0.931-0.55=0.45
0.4×0.3=0.1298.4÷100=0.9840.96-0.7=0.26

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