问题 解答题
4
9
=
6.4-3.25=10÷10%=1.25×8=-8-(-6)=
15.7+3=108-99=2-
2
5
=
9.3÷0.03×0=1.7-1.7×0.6=
答案

4
9
=
9
4
6.4-3.25=3.15,10÷10%=100,1.25×8=10,-8-(-6)=-2,
15.7+3=18.7,108-99=9,2-
2
5
=1
3
5
9.3÷0.03×0=0,1.7-1.7×0.6=0.68.

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