[(240-48)/x]+[48/(x-10)]=240//(x-4)越详细越好噢噢噢噢噢噢!只要我看得懂就给分!↖(^ω^)↗先_数学解答

[(240-48)/x]+[48/(x-10)]=240//(x-4)
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人气：344 ℃　时间：2020-01-28 18:57:58

解答

[(240-48)/x]+[48/(x-10)]=240//(x-4)
[192(x-10)+48x]/x(x-10)=240/(x-4)
240x(x-10)=(x-4)(240x-1920)
x(x-10)=(x-4)(x-8)
x²-10x=x²-12x+32
2x=32
x=16