已知:(x-7)²+121,(y+1)³=-0.064,求根号x-2-根号x+10y+³根号245y的值
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已知:(x-7)²+121,(y+1)³=-0.064,求根号x-2-根号x+10y+³根号245y的值已知:(x-7)²+121,(y+1)³=-0
已知:(x-7)²+121,(y+1)³=-0.064,求根号x-2-根号x+10y+³根号245y的值
已知:(x-7)²+121,(y+1)³=-0.064,求根号x-2-根号x+10y+³根号245y的值
已知:(x-7)²+121,(y+1)³=-0.064,求根号x-2-根号x+10y+³根号245y的值
x=18或-4,Y=-0.2
其它代入,你自己去算