40%/12:6.67%/1:53.33%/16比 - 知识问答

40%/12:6.67%/1:53.33%/16比值为多少

2个回答

0.4/12=0.1/3
0.0667=0.1*2/3(因为2/3=0.67)=0.2/3
0.5333/16=（0.6-0.0667）/16=(3/5-0.2/3)/16=(9-1)/15/16=1/30(通分化简可得)=0.1/3
故原式子=1:2:1

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