问题
解答题
化简比
|
答案
①
:0.2,4 5
=(
×5):(0.2×5),4 5
=4:1;
②30%:
,9 10
=(30%×10÷3):(
×10÷3),9 10
=1:3;
③0.25:75%,
=(0.25×4):(75%×4),
=1:3.
化简比
|
①
:0.2,4 5
=(
×5):(0.2×5),4 5
=4:1;
②30%:
,9 10
=(30%×10÷3):(
×10÷3),9 10
=1:3;
③0.25:75%,
=(0.25×4):(75%×4),
=1:3.