中一數學科問題

2009-09-11 4:44 am

using index notation, express each of
the following numbers as a product of
prime factors.

20________________

27____________________

回答 (1)

2009-09-11 4:50 am

✔ 最佳答案

20 = 2 * 2 * 5
= 2^2 * 5
27 = 3 * 3 * 3
= 3^3

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