Mathematics, 01.05.2021 14:00 anonymous1813

Prove that there is not any number greater than 600 and less than 700 verifying the following: the figure of the units is one third the figure of the tens, and the inversed number (i. e. the number having the same figures but in the opposite order: abc → cba) is four fiths the original number.

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Prove that there is not any number greater than 600 and less than 700 verifying the following: the f...