F.2 maths
回答 (5)
✔ 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
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!!
(5b)4x(t)16
4[(5b)x(4t)]
4(20bt)
80bt
收錄日期: 2021-04-13 15:58:31
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