问题
解答题
化简比 0.75:4=
|
答案
0.75:4
=(0.75×20):(4×20)
=15:80
=(15÷5):(80÷5)
=3:16
:0.27 8
=(
×40):(7 8
×40)1 5
=35:8.
化简比 0.75:4=
|
0.75:4
=(0.75×20):(4×20)
=15:80
=(15÷5):(80÷5)
=3:16
:0.27 8
=(
×40):(7 8
×40)1 5
=35:8.