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Afla valorile literelor a, b ,c stiind ca : a+b+c=223
896:a=7
b:c=9 rest 5


Răspuns :

896:a=7⇒a=896:7⇒a=128
a+b+c=223
128+b+c=223
b+c=95
b:c=9 rest 5⇒b=9c+5
9c+5+c=95
10c=90
c=9⇒b=9·9+5=81+5⇒b=86