5/3:0.75化成最简整数比是( )
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5/3:0.75化成最简整数比是( )
5/3:0.75化成最简整数比是( )
5/3:0.75化成最简整数比是( )
0.75=3/4
所以5/3比0.75=5/3比3/4=5*4比3*3=20比9
(哈哈,重在参与哈!)——
9分之20
5/3:3/4=5/3*4/3=20/9
5/3:0.75=5/3/(3/4)=5/3*(4/3)=20:9
(5/3)/0.75
=(5/3)/(3/4)
=(5/3)*(4/3)
=20/9
答案20:9