问题
解答题
把下列各比化成最简整数比.
|
答案
(1)
:3 4
,3 8
=(
×8):(3 4
×8),3 8
=6:3,
=2:1;
(2)0.2:0.25,
=(0.2×20):(0.25×20),
=4:5;
(3)35:40,
=(35÷5):(40÷5),
=7:8;
(4)0.5小时:40分钟,
=30分钟:40分钟,
=(30÷10):(40÷10),
=3:4.
把下列各比化成最简整数比.
|
(1)
:3 4
,3 8
=(
×8):(3 4
×8),3 8
=6:3,
=2:1;
(2)0.2:0.25,
=(0.2×20):(0.25×20),
=4:5;
(3)35:40,
=(35÷5):(40÷5),
=7:8;
(4)0.5小时:40分钟,
=30分钟:40分钟,
=(30÷10):(40÷10),
=3:4.