Răspunsuri

2014-10-15T19:29:12+03:00
A+312=591
591-312= 279
 326-a=179
326-179=147

436-a=907
a=907-436
a=471

a-186=375
375+186=561

a-421=391
391+421=812
2014-10-15T19:29:28+03:00
A+312=591
a=591-312
a=279
326-a=179
a=326-179
a=147
436-a=907
a=907-436
a=471
a-186=375
a=375+186
a=561
a-421=391
a=391+421
a=812