问题
解答题
约分.
1
|
答案
=45 60
=45÷15 60÷15
;3 4
=36 54
=36÷18 54÷18
;2 3
1
=118 20
=118÷2 20÷2
;9 10
=46 69
=46÷23 69÷23
;2 3
=140 350
=140÷70 350÷70
.2 5
约分.
1
|
=45 60
=45÷15 60÷15
;3 4
=36 54
=36÷18 54÷18
;2 3
1
=118 20
=118÷2 20÷2
;9 10
=46 69
=46÷23 69÷23
;2 3
=140 350
=140÷70 350÷70
.2 5