问题 解答题
直接写得数.
3
4
×16=
12÷
3
5
=
0.3×
6
5
=
3
5
÷÷
9
10
=
7
8
=
7
12
+
1
8
=
5
7
×
2
3
÷
5
7
=
1
2
×
1
3
÷
1
2
×
1
3
=
答案

3
4
×16=12
12÷
3
5
=20
0.3×
6
5
=
9
25
3
5
÷
9
10
=
2
3
7
8
=
8
7
7
12
+
1
8
=
1
8
5
7
×
2
3
÷
5
7
=
2
3
1
2
×
1
3
÷
1
2
×
1
3
=
1
9

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