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Dacă a/6=8/3 atunci a-6/6=?

Răspuns :

a/6=8/3
a=(6·8)/3=48/3=16
16-6/6=10/6=5/3
a/6=8/3
3a=48 a=16
inlocuim in a-6/6
16-6/6=10/6=5/3