3 ms·
Khan Academy until Calculus is perfect to recover the foundations
by Gooblebrai 2y ago
Khan Academy until Calculus is perfect to recover the foundations
- HenryBemis 2y agohttps://www.khanacademy.org/math/ https://www.khanacademy.org/math/
- idontwantthis 2y agoSeconded. 10 hours per week with my stepson brought him up about 5 years in less than 6 months. Consistency is key (same as everything).