化简[3X+4Y+(5×2)]÷(X+Y+2)=3.5把[3X+4Y+(5×2)]÷(X+Y+2)=3.5化为X=( )
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/09 02:37:26
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x²/xy-x/y 3x/4x+y - x-2y/4x+y (1-y/y+x)÷x/y²-x²
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[(x-2y)²+(x+y)(3x-y)-3y²]÷2x化简。
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(x+y)^6/(x+y)^4-(x-y)^5/(x-y)^3 化简 ..
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4x-3y/x-2y÷6y-8x/y-2x
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