问题
解答题
化简比: 0.32:0.8=______
|
答案
0.32:0.8
=(0.32×25):(0.8×25)
=8:20
=2:5
(2)
:2 3 3 5
=(
×15):(2 3
×15)3 5
=10:9.
故答案为:2:5;10:9.
化简比: 0.32:0.8=______
|
0.32:0.8
=(0.32×25):(0.8×25)
=8:20
=2:5
(2)
:2 3 3 5
=(
×15):(2 3
×15)3 5
=10:9.
故答案为:2:5;10:9.