Danny Tsai => YSITD: e^a * e^b = e^(a+b) 還是要這樣寫才比較對( #5c19014825b568019f8b973f

Danny Tsai says to YSITD

e^a * e^b = e^(a+b) 還是要這樣寫才比較對(

at Tue, Dec 18, 2018 10:16 PM