0.25=1/4=25%1/5=20%4/3=133.3% 化简比、116:36 =(116*4):(36*4) =29:9 0.4:1.5 =(0.4x10):(1.5x10) 4:15
0.25=1/4=25%1/5=20%4/3=133.3% 化简比、116:36 =(116*4):(36*4) =29:9 0.4:1.5 =(0.4x10):(1.5x10) 4:15
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