Răspuns:
2.
a) a=4, b=2 =>42+24=66
b) a=2, b=4 =>24+42=66
3.
a = (11×12)/2 = 66 suma Gauss
b = (18×19)/2 - (8×9)/2 = 171 - 36 = 135
135 + 66 = 201
