數學題.........
回答 (4)
2006-11-09 5:06 am
✔ 最佳答案
95-75/75X 1/10095-75/75/100
95-75/0.75
20/0.75
26.67
唔知岩唔岩
2006-11-09 10:44 pm
[(95-75)/75]x100%
=(20/75)x100%
=(4/15)x100%
=26.67% cor.to 4sig.fig.
=(20/75)x100%
=(4/15)x100%
=26.67% cor.to 4sig.fig.
2006-11-09 9:51 pm
95- 75/75X 100%
= 95 - ( 75/ [75 X100%])
so 75X 100% = 75
75 / 75 = 1
95-1 = 94
= 95 - ( 75/ [75 X100%])
so 75X 100% = 75
75 / 75 = 1
95-1 = 94
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原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061108000051KK04136