f4..maths

👨🏻‍🏫 學術台數學

用戶164477

2007-02-22 7:39 am

若4^3X=8,解X

回答 (3)

sr

2007-02-22 7:43 am

✔ 最佳答案

4^3X=8
2^6X=2^3
....6X=3
......X=0.5

2007-02-21 23:45:24 補充：
...4^3X=83Xlog4=log86Xlog2=3log2.......6X=3.........X=0.5

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[匿名]

2007-02-22 8:14 am

4^3X = 8

2^6X = 2^3

6X = 3

X = 0.5

參考: BY EASON MENSA

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carbon dioxide

2007-02-22 8:03 am

4^3X = 8
2^6X=2^3
6X=3
X=1/2

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