问题 解答题
直接写出得数
5
7
×
14
15
=
81÷
9
7
=
(1-
2
3
)÷
2
3
=
3
7
+
4
7
=
1
100
÷
1
10
=
3
4
×8×
1
3
=
答案

5
7
×
14
15
=
2
3
81÷
9
7
=63
(1-
2
3
)÷
2
3
=
1
2
3
7
+
4
7
=1
1
100
÷
1
10
=
1
10
3
4
×8×
1
3
=2

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