幫我計這條數:
(-5)/(-8)=_________________=_______
(+4)/(-3)=________________=_______
有向數的除法是甚樣計??
2007-10-01 2:34 am
回答 (2)
2007-10-01 3:18 am
✔ 最佳答案
(-5)/(-8)=(-5)* -1/8
=5/8
=0.625
(+4)/(-3)
=4*(-1)/3
= -(4/3)
= -1.333333.......
參考: 已有知識
2007-10-01 11:04 pm
because(-)(-)=+
(+)(-)=-
so(-5)/(-8)=5x1/8=5/8=0.625
(+4)/(-3)=4x-1/3=-4/3=-1.333333333333...
(+)(-)=-
so(-5)/(-8)=5x1/8=5/8=0.625
(+4)/(-3)=4x-1/3=-4/3=-1.333333333333...
參考: me
收錄日期: 2021-04-13 19:16:01
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070930000051KK03948