中一數學題~好easy,,但我唔識

2006-12-22 4:30 am
8(m^4)(n^3) * [ -4(m^3)(n^5)/12(m^2)(n) ]

回答 (3)

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
2006-12-22 4:39 am
-8m^5n^7/3
2006-12-22 4:37 am
-8(m^9)(n^9)/3
參考: myself


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