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REPEDE SI URGENT VA IMPLOR!

Aflati suma numetelor a, b, c, d, e daca:
a:b=6 rest
a-b=628
c=dx4-19
c+d=401
e=a+d​


Răspuns :

C+d=401 => d=401-c
C=dx4-19 => c=(401-c)x4-19 => c=1604-4c-19
=> c=1585-4c => 5c=1580 => c=316
d=401-c => d=401-316 => d=85