27:36 ,0.45:0.25 ,5/8:3/16 ,2.4:3/10 ,25:40 ,0.12:4/5化简并求比值

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27:36 ,0.45:0.25 ,5/8:3/16 ,2.4:3/10 ,25:40 ,0.12:4/5化简并求比值

27:36 ,0.45:0.25 ,5/8:3/16 ,2.4:3/10 ,25:40 ,0.12:4/5化简并求比值
27:36 ,0.45:0.25 ,5/8:3/16 ,2.4:3/10 ,25:40 ,0.12:4/5化简并求比值

27:36 ,0.45:0.25 ,5/8:3/16 ,2.4:3/10 ,25:40 ,0.12:4/5化简并求比值
(27÷9):(36÷9)=3:4=3/4
(0.45×100);(0.25×100)=45:25=(45÷5):(25÷5)=9:5=9/5
(5/8×16):(3/16×16)=10:3=10/3
(2.4×10):(3/10×10)=24:3=8
(25÷5):(40÷5)=5:8=5/8
(0.12×100):(4/5×100)=12:80=3:20=3/20

3:4
9:5
10:3
8:1
5:8
3:20