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136+j+166-991+489=600

Răspuns :

136+j+166-991+489=600 136+j+166-991=600-489 136+j+166-991=111 136+j+166=111+991 136+j+166=1102 136+j=1102-166 136+j=986 j=986-136 j=850
136+j+166-1480=600
136+j+166=1480-600
136+j+166=1420
136+j=1420-166
136+j=1254
j=1254-136
j=1118