Question Number 76088 by aliesam last updated on 23/Dec/19

Commented by mr W last updated on 23/Dec/19

$${r}=\mathrm{5} \\ $$$${see}\:{Q}#\mathrm{64112} \\ $$
Commented by aliesam last updated on 23/Dec/19

$${thank}\:{you}\:{sir}\: \\ $$