Răspunsuri

2014-10-27T23:40:46+02:00
A + B + C = 589
A + B = 468
B = C + 122
468 + C = 589
C = 589 - 468
C = 121
B = 121 + 122
B = 243
A + 243 + 121 = 589
A = 589 - 243 - 121
A = 225
2014-10-28T01:03:25+02:00
589- 468 = 121     122+121 =243     589- 121 -243 = 225 
225 +121 + 243 = 589