试题:
把下面的分数约分,是假分数的化成整数或带分数.
45
25
=______
26
65
=______
51
34
=______
91
49
=______.

答案:

我来补答
(1)
45
25
=
45÷5
25÷5
=
9
5
=1
4
5

(2)
26
65
=
26÷13
65÷13
=
2
5

(3)
51
34
=
51÷17
34÷17
=
3
2
=1
1
2

(4)
91
49
=
91÷7
49÷7
=
13
7
=1
6
7

故答案为:1
4
5
2
5
,1
1
2
,1
6
7
 
 
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这些题目你会做吗?