5*(3*7^15-19*7^14)/7^16+3*7^15

Question

5*(3*7^15-19*7^14)/7^16+3*7^15

Comments

що означає ^ ???

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степень

Answer 1

=5×(7^14 (21-19))/7^15 (7+21)=5×2/7×28=5/7×14=7/98

Comments

=1/14