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Friday, April 3, 2009
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First Question:
(-10j+8k)-(16k-10j)= ?
(ANS: -8k )
Second question:
-x(4w-6y)= ?
(ANS: -4wx+6xy OR 6xy - 4k)
Third question: ( * = multiply)
30st + 3s * (-7 t) - 4t * 2s = ?
(ANS: st )
w/ tears
???
| 8:30 PM |
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Shui Herng,Cheng jie,Yun Yang.
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Consist of Chen Yang,Ching Leon,Cheng Wee,and Yong Kiat
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