(100-2X)x(50-2x)=3600算一下x=?
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(100-2X)x(50-2x)=3600算一下x=?
(100-2X)x(50-2x)=3600算一下x=?
(100-2X)x(50-2x)=3600算一下x=?
10和-10
(100-2x)(50-2x)=3600
5000-200x-100x+4x^2=3600
-300x+4x^2=-1400
4x^2-300x=-1400
x^2-75x=-350
x^2-75x+350=0
x -5
x -70
x1=5
x2=70
满意请采纳。
请问这道题咋做 :(x)X (x+1) X (x+2) X (x+3) =360
300字读后感 2篇 俄把格式说一下吧:《xxxx》(写题目)主要内容:x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x(写那篇文章的主要内容)思考分析:x x x
6X-(360X-0.5X)=2×(360X-0.5X)
6X-(360X-0.5X)=2×(360X-0.5X)怎么算?
(100-2X)x(50-2x)=3600算一下x=?
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