Răspuns :
136+c=292
c=292-136
c=156
a+b=136
a=136-b
136-b-b=120
-2b=136-120
-2b=16
b=16/(-2)
b=-8
a=136-(-8)
a=144
c=292-136
c=156
a+b=136
a=136-b
136-b-b=120
-2b=136-120
-2b=16
b=16/(-2)
b=-8
a=136-(-8)
a=144