請問x+180:5/6x+30＝18:11怎么解
請問x+180:5/6x+30＝18:11怎么解
數(shù)學(xué)人氣：148 ℃時(shí)間：2020-04-13 16:41:49
優(yōu)質(zhì)解答
x+180:5/6x+30＝18:11 11(x+180)=18(5/6x+30) 11x+1980=15x+540 4x=1440 x=360
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