问题
解答题
化简下面各比.
|
答案
(1)12:144
=(12÷12):(144÷12)
=1:12;
(2)
=(16÷8):(8÷8)=2:1;16 8
(3)3.6:7.2,
=(3.6÷3.6):(7.2÷3.6),
=1:2;
(4)
:7 9
,3 4
=(
×36):(7 9
×36),3 4
=28:27.
化简下面各比.
|
(1)12:144
=(12÷12):(144÷12)
=1:12;
(2)
=(16÷8):(8÷8)=2:1;16 8
(3)3.6:7.2,
=(3.6÷3.6):(7.2÷3.6),
=1:2;
(4)
:7 9
,3 4
=(
×36):(7 9
×36),3 4
=28:27.