问题 解答题
直接写出得数.
3
8
×
7
6
=
1
10
=
13
14
×
21
39
=
77:63=
8
27
÷9=
8
9
×
15
4
=
4
9
÷8=
4:2.5=
5
9
×
27
20
=
答案

3
8
×
7
6
=
7
16
1
10
=10,
13
14
×
21
39
=
1
2
77:63=11:9,
8
27
÷9=
8
243
8
9
×
15
4
=3
1
3
4
9
÷8=
1
18
4:2.5=8:5,
5
9
×
27
20
=
3
4

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