Răspunsuri

2014-11-10T16:26:31+02:00
 a+b+c=82     a+b=63   b+c=64   a=? b=? c=?            82-64=18 (a)      82-63=19(c)                18+19=37(a+c)    82 - 37=45 (b)
2014-11-10T16:28:30+02:00
A+b+c=82
a+b=63
b+c=64
a+64=82
a=82-64
a=18gutui in primul cos
63+c=82
c=82-63
c=19 gutui in al treilea cos
18+b+19=82
37+b=82
b=82-37
b=45 gutui in al doilea cos
proba: 18+19+45=82