问题 解答题
直接写出得数:
2
7
×2=
14
19
÷
7
19
=
7
12
+
1
2
=
4×(
1
12
+
1
4
)=
1÷37.5%=5÷5÷
1
5
=
32-32×
1
8
=
1
4
-
1
5
)×20=
答案

2
7
×2=
4
7
14
19
÷
7
19
=2
7
12
+
1
2
=
13
12
4×(
1
12
+
1
4
)=1
1
3
1÷37.5%=
8
3
5÷5÷
1
5
=5
32-32×
1
8
=28
1
4
-
1
5
)×20=1
故答案为:
4
7
,2,
13
12
1
1
3
8
3
,5,28,1.

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