រៀនបូកលេខមួយខ្ទង់/ Learn to add one digit

Welcome to the da papa channel !.
My channel is made for uploading video tutorials and stories.
This video is made for students and boys or girls or people who do not know how to add a single digit can watch this video at any time, just go to youtube to type the word how to add a single digit, youtube will bring you Come to this video for sure.If you want to know for sure, just watch this video again and again until you know, then you will grow even more. In my channel, there are many tutorials such as: Mathematics, gmail removal, download kinemaster software without logo, deleting coins in the phone to run faster ... etc.
Most importantly, full hd video can be viewed coolly without getting bored, not wanting to watch it again and again.

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