-根号27的三次方-(根号-1的三次方)+根号225-根号625

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-根号27的三次方-(根号-1的三次方)+根号225-根号625-根号27的三次方-(根号-1的三次方)+根号225-根号625-根号27的三次方-(根号-1的三次方)+根号225-根号625=-3-

-根号27的三次方-(根号-1的三次方)+根号225-根号625
-根号27的三次方-(根号-1的三次方)+根号225-根号625

-根号27的三次方-(根号-1的三次方)+根号225-根号625
=-3-(-1)+15-25
=-3+1+15-25
=-12