Question

甲数比乙数少百分之25乙数比丙数多10%甲数是丙数的多少,过程？

Answer 1

丙为1，那么乙为1+1*10/100=1.1，甲为1.1-1.1*25/100=0.825，甲是丙的0.825÷1=825/1000=33/40

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Answer 2

甲数=乙数×（1-25%）=乙数×0.75
乙数=丙数×（1+10%）=丙数×1.1
甲数=丙数×1.1×0.75
=丙数×0.825
=丙数×82.5%
甲数是丙数的82.5%