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{[(10×10+10×10):10-10]+10×10-10}:10

Răspuns :

{[(100+100):10-10]+100-10}:10={[200:10-10]+90}:10=
={[20-10]+90}:10={10+90}:10=100:10=10
{[(100+100):10-10]+100-10}:10={[200:10-10]+100-10}:10={10+100-10}:10=100:10=10