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a×b×c=a×b+48 numere consecutive

Răspuns :

a·b·c=a·b+48
a, b, c nr consecutive⇒a+1=b=c-1
abc-ab=48
ab·(c-1)=48
a·b²=48
a·b²=3·16=3·4²
a=3, b=4, c=5