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a+b=200
a:b=6 rest 11
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Răspuns :

a+b=200
a:b=6 rest 11
a=6xb+11=6b+11

6b+11+b=200
7b=200-11
7b=189
b=189:7
b=27

a+27=200
a=200-27
a=173