2√18+√50+3√32=
2√9*2+√25*2+3√16*2=
2*3√2+5√2+3*4√2=
6√2+5√2+12√2=23√2
3√20-2√45?4√80=
3√4*5-2√9*5+4√16*5=
3*2√5-2*3√5+4*4√5=
6√5-6√5+16√5=16√5
-5√22-3√175+√63=
-5√22-3√25*7+√9*7=
-5√22-3*5√7+3√7=
-5√22-15√7+3√7=
-5√22-12√7
asa se rezolva si celelalte
