求比值 3/14:7/9 6/25:2/5 3/8:0.25 3:3/10
问题描述:
求比值 3/14:7/9 6/25:2/5 3/8:0.25 3:3/10
3:()=()÷24=0.25=36/()=()%
答
3/14:7/9=3/14X(9/7)=27/98
6/25:2/5=6/25X(5/2)=3/5
3/8:0.25 =3/8x(4/1)=3/2
3:3/10=3X(10/3)=10
3:(12)=(6)÷24=0.25=36/(144)=(25)%