Question

suma a trei nr naturale consecutive este 450 aflati nr.

Answer 1

x - primul nr

x + 1 = al doilea nr

x + 2 = al treilea nr

---------------

x + x + 1 + x + 2 = 450

3x = 450 - 3

3x = 447

x = 149

x + 1 = 150

x + 2 = 151

R: 149 + 150 + 151 = 450

Answer 2

a+b+c=450
a+a+1+a+2=450
3a+3=450
3a=450-3
3a=447
a=447:3
a=149
b=150
c=151

Succes la scoala!