问题 解答题
2.4×5=0.77+0.3=8÷12=1-0.4=
0.35+0.18+0.65=
2
5
×
5
8
=
6
7
÷3=
1
2
÷
3
4
=
5
6
-
3
4
=
15×(
2
5
-
1
3
)=
答案

2.4×5=120.77+0.3=1.078÷12=
2
3
1-0.4=0.6
0.35+0.18+0.65=1.18
2
5
×
5
8
=
1
4
6
7
÷3=
2
7
1
2
÷
3
4
=
2
3
5
6
-
3
4
=
1
12
15×(
2
5
-
1
3
)=1
故答案为:12,1.07,
2
3
,0.6,1.18,
1
4
2
7
2
3
1
12
,1.

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