(1/10)18 - (1/10)20 = ?
回答 (5)
2009-01-19 7:08 am
✔ 最佳答案
(1/10)18 - (1/10)20 = (1/10)(18 - 20) = (1/10)(-2) = -1/5.
2009-01-21 4:44 am
99/1020
2009-01-19 8:52 am
1/10(18) - 1/10(20)
= 18/10 - 20/10
= (18 - 20)/10
= -2/10
= -1/5 (-0.2)
= 18/10 - 20/10
= (18 - 20)/10
= -2/10
= -1/5 (-0.2)
2009-01-19 7:10 am
you can rewrite
18/10 - 20/10= -2/10= -1/5
18/10 - 20/10= -2/10= -1/5
2009-01-19 7:09 am
18/10-20/10=- 2/10=- 1/5
收錄日期: 2021-05-01 11:55:56
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090118230449AA6WXD6