快D幫我答一個超簡單數學題!

2008-06-10 8:55 am

54.50 【30% 】

63 【30%】

60.20 【40%】

全部加埋總平均=?

回答 (7)

2008-06-17 4:43 am

✔ 最佳答案

54.50x30%
=16.35
63x30%
=18.9
60.20x40%
=24.08
16.35+18.9+24.08
=59.33
知識+

參考: me

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2008-06-10 9:20 pm

54.5x30%+63x30%+60.20x40%
=59.33

參考: me

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2008-06-10 9:07 pm

16.35+18.9+24.08=59.33

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2008-06-10 8:29 pm

54.5 x (30/100) + 63 x (30/100) + 60.2 x (40/100)
=59.33

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2008-06-10 2:01 pm

54.5*0.3 + 64*0.3 + 60.2*0.4
= 59.33

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2008-06-10 9:49 am

16.35+18.9+24.08
59.33

參考: me

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2008-06-10 8:58 am

太簡單
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