问题 解答题
口算下面各题.
(1)
5
7
÷
5
7
=
(2)0÷
5
8
=
(3)1÷
22
9
=
(4)
19
4
÷1=
(5)
19
3
÷
19
6
=
(6)
9
16
÷3=
(7)
1
8
×
2
5
=
(8)
1
2
÷
2
3
=
(9)3
1
5
÷1
3
5
=
(10)3
1
2
÷
5
7
答案

(1)
5
7
÷
5
7
=1,
(2)0÷
5
8
=0,
(3)1÷
22
9
=
9
22
(4)
19
4
÷1=
19
4
(5)
19
3
÷
19
6
=2,
(6)
9
16
÷3=
3
16
(7)
1
8
×
2
5
=
1
20
(8)
1
2
÷
2
3
=
3
4
(9)3
1
5
÷1
3
5
=2,
(10)3
1
2
÷
5
7
=
49
10

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