Sal Khan's non-profit online school began with free maths classes for his cousins

Sal Khan's non-profit online school began with free maths classes for his cousins

Sal Khan's non-profit online school began with free maths classes for his cousins

The non-profit Khan Academy now provides thousands of online classes for people around the worldView on euronewsa

User: euronews (in English)

Views: 47

Uploaded: 2020-04-08

Duration: 08:00

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