👤

(4+8+12+16........+8000):(2+4+6+8+.....+4000)

Răspuns :

4 (1+2+...+2000)=


=4×2000×2001÷2


=8004000



2(1+2+..+2000)


=2×2000×2001÷2


=4002000


(4 + 8 + 12 + .. + 8000) : (2 + 4 +6 + .. + 4000) = 2

(4+8+12+16........+8000):(2+4+6+8+.....+4000) =

= 4(1+2+3+4+...+2000) : 2(1+2+3+4+...+2000) =
(parantezele impartite dau 1)
= 4 : 2 =
= 2