Răspunsuri

2014-09-29T10:02:56+03:00
A+b+c=?
b=a+2
c-b=3
c-a-2=3,c-a=5,c=a+5
a+a+2+a+5=3a+7=?
a=-7/3
b=a+2=-7/3+2=-1/3
c=a+5=-7/3+5=8/3
a+b+c=-7/3-1/3+8/3=0
e cel mai bun raspuns?marcheaza-l.multumesc.
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