()/16=27分之几=0.75=33/()

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()/16=27分之几=0.75=33/()()/16=27分之几=0.75=33/()()/16=27分之几=0.75=33/()12/16=27/36=0.75=33/440.75=3/4,所以只

()/16=27分之几=0.75=33/()
()/16=27分之几=0.75=33/()

()/16=27分之几=0.75=33/()
12/16=27/36=0.75=33/44
0.75=3/4,所以只要分子和分母同时乘以一个倍数就可以约分为3/4,分式的值就是相等的.