4. B= (5^62+5^61+5^60) • 961= k^3
(5^2+5^1+5^0) • 961 = k^3
(25+5+1) • 961 = k^3
(30+1) • 961 = k^3
31 • 961 = k^3
19791 = k^3.
5. P= 5^48 • 2^44 • 3^17
5•6•7=
30•7=
210=
0.
6. 2^31 + 2^30 + 2^29 = x•2^38
2^28(2^3+2^2+2^1) = x•2^28
8+4+2 = x
12+2 = x
14 = x
Sper ca te-am ajutat !
