已知:x/2=y/3=z/4,求(x2+y2-z2-2xy)/(x2-y2+z2-2xz)除以(x2-y2-z2+2yz)/(x2+y2-z2+2xy)
来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/25 16:21:30
已知:x/2=y/3=z/4,求(x2+y2-z2-2xy)/(x2-y2+z2-2xz)除以(x2-y2-z2+2yz)/(x2+y2-z2+2xy)已知:x/2=y/3=z/4,求(x2+y2-z
已知:x/2=y/3=z/4,求(x2+y2-z2-2xy)/(x2-y2+z2-2xz)除以(x2-y2-z2+2yz)/(x2+y2-z2+2xy)
已知:x/2=y/3=z/4,求(x2+y2-z2-2xy)/(x2-y2+z2-2xz)除以(x2-y2-z2+2yz)/(x2+y2-z2+2xy)
已知:x/2=y/3=z/4,求(x2+y2-z2-2xy)/(x2-y2+z2-2xz)除以(x2-y2-z2+2yz)/(x2+y2-z2+2xy)
你就设,X=2M,Y=3M,Z=4M,
那原式就是····你自己往里代吧,接下来很简单了