Question Number 137659 by JulioCesar last updated on 05/Apr/21

Commented by JulioCesar last updated on 05/Apr/21

$${help}\:{me} \\ $$
Commented by MJS_new last updated on 05/Apr/21

$$\mathrm{this}\:\mathrm{cannot}\:\mathrm{be}\:\mathrm{solved}\:\mathrm{exactly} \\ $$