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SuciuElenaNicoleta
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100-100·[100-11·(b-10:10)]=0

Răspuns :

Danaki78
100-100·[100-11·(b-10:10)]=0
100-100×[100-11×(b-1)]=0
100-100×(100-11×b+11)=0
100-100×(111-11×b)=0
100-11100+1100×b=0
-11000+1100×b=0

b=11000:1100=10

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