設(shè)甲修X米
X/3-(170-X)/4=10
X/3-85/2+X/4=10
7X/12=105/2
X=90
少修=90-（170-90）=10米 能不能給我講解一下呢?謝謝!
甲乙兩隊(duì)合修一條170米長(zhǎng)的水渠,已知甲的1/3比乙的1/4還多10米,問(wèn)乙比甲少修多少米? 最好用一元一次方程!
甲乙兩隊(duì)合修一條170米長(zhǎng)的水渠,已知甲的1/3比乙的1/4還多10米,問(wèn)乙比甲少修多少米? 最好用一元一次方程!
謝謝!
謝謝!
數(shù)學(xué)人氣：271 ℃時(shí)間：2019-08-18 21:38:13
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