數學題.........

👨🏻‍🏫 學術台數學

Plumas

2006-11-09 5:00 am

9 5 - 7 5 . 7 5 X 1 0 0 %

回答 (4)

msJang

2006-11-09 5:06 am

✔ 最佳答案

95-75/75X 1/100
95-75/75/100
95-75/0.75
20/0.75
26.67
唔知岩唔岩

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Ray

2006-11-09 10:44 pm

[(95-75)/75]x100%
=(20/75)x100%
=(4/15)x100%
=26.67% cor.to 4sig.fig.

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用戶171268

2006-11-09 9:51 pm

95- 75/75X 100%
= 95 - ( 75/ [75 X100%])
so 75X 100% = 75
75 / 75 = 1
95-1 = 94

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kahei

2006-11-09 5:05 am

19.25
應該岩掛

參考: me

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