Răspunsuri

2014-05-30T19:02:03+03:00
A + b +c =81
a + b = 62

62+c=81
c=81-62
c=19

b + c =56
a+56=81
a=81-56
a=25

25+b+19=81
44+b=81
b=81-44
b=37
2014-05-30T19:07:05+03:00
A+b+c=81
a+b=62
b+c=56
c=81-62
c=19
a=81-56
a=25
b=81-(a+c)
b=81-(25+19)
b=81-44
b=37
1 5 1