F.2 maths

2007-11-27 2:39 am

化簡: (10b2)2× (t4)4

回答 (5)

2007-11-27 2:44 am

✔ 最佳答案

你想打次方嗎?
(10b2)2× (t4)4
= 102b2(2)× t4(4)
= 100b4× t16
= 100b4 t16

根據指數定律，(am)n = amn

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2007-11-27 3:47 am

2是指2次方嗎?
if yes...

(10b^2)^2×(t^4)^4
=100b^4×t^16
=100b^4t^16.........................做完^^~[^x=x次方]

參考: me^^~我主修maths!!

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2007-11-27 2:46 am

(5b)4x(t)16
4[(5b)x(4t)]
4(20bt)
80bt

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2007-11-27 2:44 am

80b x 16t = 1280bt.

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2007-11-27 2:43 am

20b4xt16

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