问题 解答题
直接写出得数:
1-48=15÷1%=9.1-1.9=7.2÷0.6=
5
9
÷90%=
5
8
-12.5%=
48%×
1
2
=
25%÷
1
3
=
1+30%=42%×500=0.52=9π≈
答案

1-48=-47,15÷1%=1500,9.1-1.9=7.2,7.2÷0.6=12,
5
9
÷90%=
50
81
5
8
-12.5%=0.5,
48%×
1
2
=0.24,
25%÷
1
3
=0.75,
1+30%=1.3,42%×500=210,0.52=0.25,9π≈28.26,

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