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a+b+c=135
a÷b=10r5
b÷c=5r4
a,b,c?


Răspuns :

a+b + c = 105
a = 10b + 5 = 10(5c + 4) + 5 = 50c + 45
b = 5c + 4
50c + 45 + 5c + 4 + c = 105
56c = 56     c = 1    a = 95    b = 9