Răspuns :
o = m + 4
o + m = 900 : 3
m + m + 4 = 300
2m = 296
m = 148
n = 150
o = 152
p = 154
m + o = 900 : 3
m + o = 300
o = m + 4
m + m + 4 = 300
2 × m + 4 = 300
2 × m = 300 - 4
2 × m = 296
m = 296 : 2
m = 148
n = 148 + 2
n = 150
o = 148 + 4
o = 152
p = 148 + 6
p = 154
m + o = 300
o = m + 4
m + m + 4 = 300
2 × m + 4 = 300
2 × m = 300 - 4
2 × m = 296
m = 296 : 2
m = 148
n = 148 + 2
n = 150
o = 148 + 4
o = 152
p = 148 + 6
p = 154