Răspunsuri

2014-10-29T23:46:22+02:00
A+b+c=2945 a+b=1496 b+c=1950 a=2945-1950 a=995 b=1496-995 b=501 c=1950-501 c=1449
2014-10-29T23:55:27+02:00
A+b+c=2945
a+b=1496
b+c=1950
[a+b+c]-[a+b]=2945-1496=1449=C
b+1449=1950
b=1950-1449
B=501
a+501=1496
a=1496-501
A=995