问题
解答题
求比值 0.8:O.6 5:
36:54 2.5时:50分. |
答案
(1)0.8:O.6,
=0.8÷0.6,
=
,4 3
(2)5:1 4
=5÷1 4
=20,
(3)36:54
=36÷54
=
,2 3
(4)2.5时:50分
=150分:50分
=150÷50
=3.
求比值 0.8:O.6 5:
36:54 2.5时:50分. |
(1)0.8:O.6,
=0.8÷0.6,
=
,4 3
(2)5:1 4
=5÷1 4
=20,
(3)36:54
=36÷54
=
,2 3
(4)2.5时:50分
=150分:50分
=150÷50
=3.