已知x,y,z都不为0,且满足4x-3y-3z=0,x-3y+2z则,x:y:
人气:431 ℃ 时间:2020-04-16 06:52:40
解答
4x-3y-3z=0
x-3y+2z=0
两式相减得3x-5y=0即x=5y/3
下式乘以4减上式得-9y+11z=0
z=9y/11
x:y:z=5/3:1:9/11=55:33:27
很高兴为您解答,希望对你有所帮助!
>>>>>>>>>>>>>>>>【神机易数】团 队你算错啦!重看一下,谢谢没错。如果x-3y+2z=0(你漏0)的话。-3y-(-3y)=-5y?下式乘以4减上式-3y*4-(-3y)=-9y
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