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afla valorile lui a b si c stiind ca a+b+c=223 896:a=7 b:c=9rest 5

Răspuns :

a+b+c=223
a=896:7
a=128

128+a+b=223
b+c=223-128=95

b:c=9r5
b=9c
9c+c=10c
10c+5=95
10c=95-5=90
c=90:10=9
b=9x9+5=86

verificare
128+9+86=223