Răspuns :

Levcovdenisaid

Răspuns:

a ÷ 7 = C1 rest 5

a = 7 × C1 + 5

a ÷ 11 = C2 rest 9

a = 11 × C2 + 9

a - 5 = 7 × C1

a - 9 = 11 × C2

C.m.m.m.c. = ( 7 , 11 ) = 7 × 11 = 77

a - 5 = 77

a = 77 + 5

a = 82

a - 9 = 77

a = 9+ 77

a = 86

Verificare :

82 : 7 = 11 rest 5

86 : 11 = 7 rest 9

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