中一數學題~好easy,,但我唔識

用戶107609

2006-12-22 4:30 am

8(m^4)(n^3) * [ -4(m^3)(n^5)/12(m^2)(n) ]

回答 (3)

chen

2006-12-22 5:12 am

✔ 最佳答案

教你，次方相乘既話姐係+
除既話就係-
8m^4n^3*(-mn^4/3)
-8/3m^5n^7

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Ching Yee

2006-12-22 4:39 am

-8m^5n^7/3

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用戶167508

2006-12-22 4:37 am

-8(m^9)(n^9)/3

參考: myself

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