😃8.1 積分複習

https://www.geogebra.org/m/jcmc66j3

https://www.geogebra.org/m/yYQwzZZc#material/AJA5HCxE

https://www.geogebra.org/m/nddz76ua

https://www.geogebra.org/m/deu55wzs

https://www.geogebra.org/m/gpgXPUWR

https://www.geogebra.org/m/qvvsmhcf

https://www.geogebra.org/m/X4NzbN3Q