Question

how do you copy and paste slides

Answer 1

go and click the slide again click "ctrl + c " 

        now one open a new tab and click "ctrl+v "

Answer 2

When any sentence or any document you want to copy first you selected it and after selected you see a options on the upper side of text to copy then ,You click on copy ooption and where are u want to paste it hold 1sec and options of paste is come then u click on paste options.....
I hope u can understand....