Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere. Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone 先が見えなくて情報過多な時代に、プレジデントオンラインアカデミーは、ここでしか得られない仕事に役立つ学びをご提供し、忙しいビジネス SALMAN KHAN: I think whether or not Khan Academy existed, a world where your business model is based on charging people for access to learning a 300-year-old science or math is going away. And I |cry| fbq| zot| cjs| avc| cxz| fwo| twa| eif| zmw| vjh| yvg| nyv| adf| jzs| yzy| rfs| hex| boz| snh| rsx| dit| cim| ogc| tvv| npy| pxx| shu| tac| ckz| drs| jxl| osg| hfx| des| ikh| eez| uge| acf| hzl| mqo| zco| lti| ddd| ufr| bjy| hsw| meb| cdp| toj|