急問 3^2n x 4^n
a. 6^2n
b. 6^3n
c. 12^2n
d. 12^3n
唔該^^
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急問 3^2n x 4^n
2007-06-12 4:04 am
回答 (3)
2007-06-12 4:11 am
✔ 最佳答案
答案係a 6^2n因為 3^2n x 4^n = 9^n x 4^n
9^n x 4^n = 36^n
36^n = 6^2n
2007-06-13 00:13:34 補充：
thank you 你先^^
2007-06-12 4:44 am
a 6^2n !
2007-06-12 4:16 am
a. 6^2n
=(6x6)n
=36n
b. 6^3n
=(6x6x6)n
=216n
c. 12^2n
=(12x12)n
=144n
d. 12^3n
=(12x12x12)n
=1728n
2007-06-11 20:31:07 補充：
3^2n x 4n=(3x3)nx4n=9nx4n=36n=athe answer is a.
=(6x6)n
=36n
b. 6^3n
=(6x6x6)n
=216n
c. 12^2n
=(12x12)n
=144n
d. 12^3n
=(12x12x12)n
=1728n
2007-06-11 20:31:07 補充：
3^2n x 4n=(3x3)nx4n=9nx4n=36n=athe answer is a.
參考: myself
收錄日期: 2021-04-13 00:56:06
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