问题
解答题
求比值: 80:254:
|
答案
(1)80:25,
=80÷25,
=3.2;
(2)4:
,1 3
=4÷
,1 3
=12;
(3)1.2时:40分,
=72分:40分,
=72÷40,
=1.8;
(4)24cm:1m,
=24cm:100cm,
=24÷100,
=0.24.
求比值: 80:254:
|
(1)80:25,
=80÷25,
=3.2;
(2)4:
,1 3
=4÷
,1 3
=12;
(3)1.2时:40分,
=72分:40分,
=72÷40,
=1.8;
(4)24cm:1m,
=24cm:100cm,
=24÷100,
=0.24.