問 數學1條

2006-11-27 12:07 am
(y^3) x (y^3分之2)^3

回答 (4)

2006-11-27 12:22 am
✔ 最佳答案
= (y^3) x (y ^ 27 分之 8)
= y ^ (3+ 27 分之 8)
= y ^ (3+ 8/27)
= y ^ (81/27 + 8/27)
= y ^ (89/27)

2006-11-26 16:28:29 補充:
sorry 我之前做 的是錯的,應該係=(y^3) x (y^2/3)^3=(y^3) x (3√y^2)^3=(y^3) x (y^2)=y^(3 2)=y^5
2006-11-27 2:35 am
(y^3) x (y^3分之2)^3=y^5
2006-11-27 12:16 am
(y^3)x(y^3/2)^3

=(y^3)x(y^3)x(y^3)x(y^3)/2x2x2

=(y^12/8)
2006-11-27 12:14 am
y^3分之2^3


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