问题 解答题
口算我最棒!
2
7
÷
1
14
=
6
25
÷
2
5
=
1
4
=
1
8
÷5
=
120÷
3
4
=
3
4
÷
5
7
=
1
2
÷3
=
1
4
÷
1
2
=
7
8
×
2
5
=
答案

2
7
÷
1
14
=4;
6
25
÷
2
5
=
3
5
1
4
=12;
1
8
÷5
=
1
40
120÷
3
4
=160;
3
4
÷
5
7
=1
1
20
1
2
÷3
=
1
6
1
4
÷
1
2
=
1
2
7
8
×
2
5
=
7
20

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