Răspuns:
a) 4 la puterea 1+2+......+50
aplicam formula sumei lui Gauss
1+2+...+50
n(n+1)/2
n=50
50(50+1)/2
(50×51)/2
2550/2=1275
4 la puterea 1275
b) 2la puterea14×2la puterea10÷2la puterea24
2la puterea0=1
c) 5la puterea80÷5la puterea20÷5la puterea50
5la puterea10
