有關於記算的問題 - 證照

By Irma 
at 2007-10-30T16:43
at 2007-10-30T16:43
Table of Contents
       _______ 
20√180/100 -1
(20是跟著根號的 就是開20次根號)
 
答案是≒3% 請問如何手算?? 或方法?
 
他答案有 2% 3% 4% 5%
 
...是手算唷 不是計算機
 
--
    20√180/100 -1
(20是跟著根號的 就是開20次根號)
答案是≒3% 請問如何手算?? 或方法?
他答案有 2% 3% 4% 5%
...是手算唷 不是計算機
--
Tags:
        證照
        
All Comments

By Linda 
at 2007-11-04T09:08
at 2007-11-04T09:08
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