X(14-X)/2=24 这方程怎么解啊
那个/2是除以2
人气：288 ℃ 时间：2020-03-21 19:01:47
解答
X(14-X)=24*2
14X-X^2=48
X^2-14X+48=0
(X-6)(X-8)=0
X1=6,X2=8
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