问题 解答题
直接写得数.
5
12
×4=
6-
7
10
=
3
5
÷
1
5
=
1
3
×
1
3
=
2
7
×
3
4
=
7
8
÷
7
8
=
1
8
÷
2
5
=
4
5
÷
5
4
=
答案

5
12
×4=
5
3
; 6-
7
10
=5
3
10
3
5
÷
1
5
=3;
1
3
×
1
3
=
1
9

2
7
×
3
4
=
3
14
7
8
÷
7
8
=1;
1
8
÷
2
5
=
5
16
4
5
÷
5
4
=
16
25

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