问题 解答题
想一想,算一算.
2
7
×4
=
1
7
×3
=
8
9
÷4
=
3
7
÷3
=
5
12
×2
=
1
15
×6
=
5
6
÷2
=
2
5
÷6
=
答案

2
7
×4
=
8
7
1
7
×3
=
3
7
8
9
÷4
=
2
9
3
7
÷3
=
1
7
5
12
×2
=
5
6
1
15
×6
=
2
5
5
6
÷2
=
5
12
2
5
÷6
=
1
15

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