问题
解答题
求比值. 3:
|
答案
(1)3:
,1 4
=3÷
,1 4
=12;
(2)160:25,
=160÷25,
=6.4;
(3)1.5小时:50分,
=90分:50分,
=90÷50,
=
.9 5
求比值. 3:
|
(1)3:
,1 4
=3÷
,1 4
=12;
(2)160:25,
=160÷25,
=6.4;
(3)1.5小时:50分,
=90分:50分,
=90÷50,
=
.9 5