Răspunsuri

2014-03-12T21:51:37+02:00
(2a+a+a)+(b+2b+b)+(c+c+2c)=142+144+146
4a+4b+4c=432
a+b+c=108
a=142-108=34
b=144-108=36
c=146-108=38

2014-03-12T21:55:16+02:00
2a+b+c=142
a+2b+c=144
a+b+2c=146
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4a+4b+4c=  432
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Continua tu ca e usor de aici :*