2x2√2x(10√2-18√2+9√2)
2x2√2√2
2x2x2
8
Răspuns:
b) 2√8•(√200-√648+√162) =
= 2•2√2•(10√2-18√2+9√2) =
= 2•2√2•√2 =
= 2•2•2 =
= 8
EVERGREEN