Răspunsuri

2014-10-16T15:23:54+03:00
A+b+c=163
(a+b)-c=67
(b+c)-a=37

a+b=67+c
=>
67+c+c=163
2c=163-67
2c=96
c=48
b+c=37+a
=>
a+37+a=163
2a=163-37
2a=126
a=63
63+b+48=163
b=163-63-48
b=52