Respostas

2014-09-04T15:16:39-03:00
X+x+1+x+2=219
3x=216
x=72

x=72
x+1=73
x+2=74

72+73+74=219
x + x + 1 + 2 = 219. 3x = 216. x=72 x+1=73 x+2=74 logo 72+73+74=219