问题 解答题
直接写出得数.
1.57+3.03=
13.7-5.6=7.5÷0.1=0.25×8=
2
3
×12=
1
4
÷
3
8
=
3
4
×
8
15
=
1
5
-
1
6
=
3.14×20=
1
5
=
6.4÷0.4=2-1.05=
4×3.14=300×0.01%=
5
6
×
2
15
=
0.42÷8=
答案

1.57+3.03=4.6,13.7-5.6=8.1,7.5÷0.1=75,0.25×8=2,
2
3
×12=8,
1
4
÷
3
8
=
2
3
3
4
×
8
15
=
2
5
1
5
-
1
6
=
1
30
3.14×20=62.8,
1
5
=
2
5
6.4÷0.4=16,2-1.05=0.95,
4×3.14=12.56,300×0.01%=0.03,
5
6
×
2
15
=
1
9
0.42÷8=0.02.

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