x²-y²/x²-(y-z)²÷x²+2xy+y²/(x-y)²-z²×x²+xy-xz/x²-xy
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/09 20:11:12
x²-y²/x²-(y-z)²÷x²+2xy+y²/(x-y)²-z²×x²+xy-xz/x²-xy
原式=(X+Y)(X-Y)/(X+Y+Z)(X-Y+Z)*(X-Y+Z)(X-Y-Z)/(X+Y)^2*X(X+Y-Z)/X(X-Y)
=(X-Y-Z)/(X+Y)
收录互联网各类作业题目,免费共享学生作业习题
慧海网手机作业共收录了 千万级 学生作业题目
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/09 20:11:12
x²-y²/x²-(y-z)²÷x²+2xy+y²/(x-y)²-z²×x²+xy-xz/x²-xy
原式=(X+Y)(X-Y)/(X+Y+Z)(X-Y+Z)*(X-Y+Z)(X-Y-Z)/(X+Y)^2*X(X+Y-Z)/X(X-Y)
=(X-Y-Z)/(X+Y)