Răspunsuri

2014-10-30T19:44:16+02:00
A+b=14
b+c=17
a+c=27
2a+2b+2c=58
a+b+c=58:2=29

a+b=14
c=29-14
c=15
b+c=17
a=29-17
a=12
a+c=27
b=29-27
b=2

12+2+15=29
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2014-10-30T19:59:14+02:00