问题 解答题
计算:
3
4
+
1
2
=
1
3
-
1
4
=
12×
3
4
=
2
5
÷
3
2
=
1
9
+9=
1
5
÷3=
2
7
×14=
20÷
4
9
=
1.25×
6
7
×8=
14×
5
7
÷14×
5
7
=
答案

3
4
+
1
2
=1
1
4
1
3
-
1
4
=
1
12
12×
3
4
=9
2
5
÷
3
2
=
4
15
1
9
+9=9
1
5
÷3=
1
15
2
7
×14=4
20÷
4
9
=45
1.25×
6
7
×8=8
4
7
14×
5
7
÷14×
5
7
=
25
49
故答案为:1
1
4
1
12
,9,
4
15
,9,
1
15
,4,45,8
4
7
25
49

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