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化简比.5.6:4.2

2.8:2.1

5.6:4.2=(5.6×10÷14):(4.2×10÷14)=4:35.6:4.2=4:3=4338吨:250千克=375千克:250千克=(375÷125):(250÷125)=3:238吨:250千克=3:2=321.2:12%=(1.2×50÷6):(12%×50÷6)=10:11.2:12%=10:1=1045:110=(45×10):(110×10)=...

14:5.6 =140:56 =(140÷28):(56÷28) =5:2

。。。

十二厘米比5.6米 =12/560 =3/140

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