👤

a÷b=9 rest 5
a+ b=245


Răspuns :

a : b = 9 rest 5 ⇒a = 9b + 5
a + b = 245

9b + 5 + b = 245
10b = 245 - 5
10b = 240
b = 240/10
b = 24

a = 9 x 24 + 5 = 221

Proba: 221 + 24 = 245
             221 : 24 = 9 rest 5