Question

( 4 la puterea 50 + 4 la puterea 49 + 4 la puterea 48 ) : 21 = 
trebuie scris ca o putere 

Answer 1

[tex](4^{50}+4^{49}+4^{48}):21=\\ 4^{48}(1+4+4^2):21=\\ 4^{48}(5+16):21=\\ 4^{48}*21:21=4^{48}[/tex]