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2014-06-06T09:47:19+03:00
Ma=(a+b+c)/3= 24,2

a+b+c=24,2*3
a+b+c=72,6

a+b=14

c=72,6- 14
c=58,6
2 5 2
2014-06-06T09:49:18+03:00
A+b+c/3=24.2
a+b=14

14+c/3=24.2
14+c=24.2x3
14+c=72.6
c=72.6-14
c=58.6
1 5 1