已知(x-12)=169,(y-1)³=-0.125,求根号x-根号2xy-3次根号4y+x的值

已知(x-12)=169,(y-1)³=-0.125,求根号x-根号2xy-3次根号4y+x的值
已知(x-12)=169,(y-1)³=-0.125,求根号x-根号2xy-3次根号4y+x的值

已知(x-12)=169,(y-1)³=-0.125,求根号x-根号2xy-3次根号4y+x的值
x=169+12=181
y-1=-2分之1
所以：y=1-2分之1=2分之1
√x-√2xy-³√4y+x
=√181-√2×181×2分之1-³√4×2分之1+181
=-³√183