Question

Scrieti urmatoarele numere sub forma de produs utilizand factorul comun:
a) 2^76+2^78+2^80
b) 3×5^47+2×5^48+6×5^49
c) 13^14×-13^13×2-13^12
dau coroana

Answer 1

a) 2^76(1+4+16)= 2^76 x 21
b) 5^47(3+ 2x5 + 6x25) = 5^47 x 163
c) 13^12(169-26-1) = 13^2 x 142

Answer 2

a)2^76(1+2^2+2^4)=2^76×21
b)5^47(3+2×5+6×25)=5^47(13+150)=5^47×163
c)13^12(13^2-13×2-1)=3^12(169-26-1)=3^12×142