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1. chemical calculation ...

Let 1:y be the mole ratio of X to oxygen in the oxide [ (16*y) / (16*y + 74.9) ] x 100% = 24.3% 16y = 3.888 + 18.2007 y = 1.38 ( corr. to 3sig. fig.) 1 : 1.38 ~ 2 : 3 the mole ratio of X to oxygen in the oxide is 2:3

2. pure (diff.)

Please see calculation below: 圖片參考：http://img215.imageshack.us/img215/9964/differentiation.png 2010-01-27 01:05:07 補充： http://img215.imageshack.us/img215/9964/differentiation.png

3. F.7 Probability(independent)

Please see calculation below: 圖片參考：http://img709.imageshack.us/img709/4773/eventsf.png 2010-01-25 23:25:04 補充： http://img709.imageshack.us/img709/4773/eventsf.png

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...訂價、硬盒式機身設計 Designed specifically to handle time-value-of-money calculations such as annuities, mortgages, leases, savings, and...

5. (15+)做ce amaths既問題係咪可以唔洗寫 reasons?

... on which type of question you face. In doing geometric calculation , usually you are NOT required to state the reason in each step...

6. GPA accounting(10 points)

...the VALUE, that all created value should be included in the calculation of GDP. (a) You should answer NO. Issuance of ...

7. Studying AL Account

1. If you are not afraid of complicated calculations and you are a meticulous person, accounting is not difficult. 2...

8. 學校考試制度問題

u can actually demonstrate the calculation in front of ur teachers ' btw do u have serious /medium or slight ,not so serious depression?

9. AL Retake Bio 定Chem 好?

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10. 中四-中五 化學科課程問題

...and J Chow , a very good book for you to read and study. If calculation of mole and electricity are required, buy a calculation book also ...