Răspunsuri

2014-05-12T15:34:39+03:00
A, b,c = laturi

a=a
b=a+2
c=a+4

a+b+c=144
a+a+2+a+4=144
3a+6=144
3a=144-6
3a=138
a=138:3
a=46

b=46+2=48
c=46+4=50
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