Răspunsuri

2014-05-15T15:04:02+03:00
A+b+c/3=2.4
a+b+c=7.2

a+b/2=3.15
a+b=6.3

6.3+c=7.2
c=0.9

a=2b
2b+b=6.3
3b=6.3
b=2.1

a=2*2.1
a=4.2
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