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2014-11-08T14:44:56+02:00
A+b+c = 5077
b=2a
c= b+77 deci = 2a+77

a+2a+2a+77=5077
5a=5000
a=1000
b=2*1000=2000
c=2000+77=2077
1 5 1
2014-11-08T14:46:03+02:00
A + b + c = 5077
2a = b
b + 77 = c  ->  2a + 77 = c

Acum inlocuim :
a + 2a (b) + 2 a + 77 = 5077
5 a + 77 = 5077
5a = 5000
a = 1000

2a = b ⇒ b=2000
2a + 77 = c ⇒ c = 2077