Barsanioana141 Barsanioana141 07-12-2014 Matematică a fost răspuns 1) Efectueaza :a) (2-√3) (4+2√3+3)b) (3+√2) (9-3√2+2)c) ( x-2) ( x²+2x+4 )d) ( x²+x+1) (x-1 )e) ( 1-x+x²) ( x+1)f) ( 4x+1) (16x²-4x+1)g) ( x²-2x+4) ( x+2)h) ( 3+x) ( 9-3x+x²)