已知实数X Y满足(X-7)平方=121,(Y+1)立方=-0.064,求式子根号X-2-根号X+10Y+3次根号245Y的值要式子,快
问题描述:
已知实数X Y满足(X-7)平方=121,(Y+1)立方=-0.064,求式子根号X-2-根号X+10Y+3次根号245Y的值
要式子,快
答
-三倍根号2-17