问题 解答题
12×
2
3
=
8
9
÷12=
18÷
9
20
=
9
11
×3=
3
20
×
4
9
=
4
15
×
15
16
=
5
6
÷10=
5
14
=
9
40
×
2
3
=
12÷
1
5
=
3
5
÷3=
27÷
9
20
=
1
5
÷
1
3
=
6÷
3
5
=
6
11
÷
2=
3
4
÷
4
3
=
答案

12×
2
3
=8
8
9
÷12=
2
27
18÷
9
20
=40
9
11
×3=
27
11
3
20
×
4
9
=
1
15
4
15
×
15
16
=
1
4
5
6
÷10=
1
12
5
14
=
5
2
9
40
×
2
3
=
3
20
12÷
1
5
=60
3
5
÷3=
1
5
27÷
9
20
=60
1
5
÷
1
3
=
3
5
6÷
3
5
=10
6
11
÷
2=
3
11
3
4
÷
4
3
=
9
16

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