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aflati numerele naturale a, b si c stiind ca a ×b ×c = 2145; b×c = 195; c×a =165

Răspuns :

a×b×c=2145 si b×c=195 ⇔a×195=2145⇔a=2145÷195⇔a=11
a×b×c=2145 si c×a=165⇔b×165=2145⇔b=2145÷165⇔b=13
b×c=195⇔13×c=195⇔c=195÷13⇔c=15