问题 解答题
直接写得数
2
9
×3=
1
6
+
5
6
=
2
7
÷1=
3
10
=
2
5
×
1
2
=
12
13
÷6=
1-
4
5
=
1
4
÷
1
3
=
3
7
=
5
8
×16=
1
5
÷
5
9
=
1
12
÷
2
3
=
答案

2
9
×3=
2
3
1
6
+
5
6
=1
2
7
÷1=
2
7
3
10
=
3
2
2
5
×
1
2
=
1
5
12
13
÷6=
2
13
1-
4
5
=
1
5
1
4
÷
1
3
=
3
4
3
7
=7
5
8
×16=10
1
5
÷
5
9
=
9
25
1
12
÷
2
3
=
1
8

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