问题 解答题
直接写出得数.
4
3
×
9
16
=
1
3
-
1
4
=
8
11
=
5
3
=
70×
9
10
=
答案

4
3
×
9
16
=
3
4
1
3
-
1
4
=
1
12
8
11
=0,
5
3
=3,
70×
9
10
=63.

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