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2014-07-03T12:29:14+03:00
A,b, c - laturi
a = a
b=a+1
c=a+2

a+b+c=51
a+a+1+a+2=51
3a+3=51
3a=51-3
3a=48
a=48:3
a=16
b=16+1=17
c=16+2=18
11 3 11
2014-07-03T12:30:31+03:00


a |–––|

b |–––|–|

c |–––|––|

b=a+1

c=a+2

a+b+c=51

a+a+1+a+2=51

3a+3=51

3a=51-3

3a=48â

a=48/3

a=16

b=17

c=18

3 4 3