问题
解答题
化简比.
|
答案
:2 3
,3 8
=(
×24):(2 3
×24),3 8
=16:9;
2.4:0.36,
=(2.4×100):(0.36×100),
=240:36,
=(240÷12):(36÷12),
=20:3;
3.5:
,5 11
=(3.5×10):(
×10),5 11
=35:
,50 11
=(35×
):(11 5
×50 11
),11 5
=77:10;
:1 40
,9 8
=(
×40):(1 40
×40),9 8
=1:45.