【國二數學】B3C4U3一元二次方程式的應用問題

【國二數學】基礎_B3C4U3.01_P1,E42_聽完做Q42

https://www.youtube.com/watch?v=c6tF--5d48A

【國二數學】基礎_B3C4U3.02_E43_聽完做Q43

https://www.youtube.com/watch?v=d_B0Suuo0Gs

【國二數學】基礎_B3C4U3.03_E44(2種作法)_聽完做Q44

https://www.youtube.com/watch?v=TUQ--yRM1HY

【國二數學】基礎_B3C4U3.04_E45_聽完做Q45

https://www.youtube.com/watch?v=k9rpwqo8EM8

【國二數學】基礎_B3C4U3.05_E46_聽完做Q46,口試背根號2、根號3

https://www.youtube.com/watch?v=z0wdXmgw86E

【國二數學】基礎_B3C4U3.06_E47_聽完做Q47

https://www.youtube.com/watch?v=5IL3vmi1yu8

【國二數學】基礎_B3C4U3.07_E48_聽完做Q48

https://www.youtube.com/watch?v=l2EZ2P5ZQzA

【國二數學】解題_B3C4U3.08_E49_聽完做Q49,列式不懂要問老師

https://www.youtube.com/watch?v=LBuKPDc2PVI

【國二數學】解題_B3C4U3.09_E50_聽完做Q50,列式不懂要問老師

https://www.youtube.com/watch?v=qj8qeDZapfU