Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
(4)(fog)یعنی f(g)(4) که g(4) میشه 7 و f(7) میشه 5 ولی حاصل رو نوشته 35 که اشتباهه