问题已解决
老師:你好!不會(huì)解下面公式呀,要求求r,求解析過(guò)程 (1+r/4)?-1=10.25%
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你好,用科學(xué)計(jì)算器或者excel表可以求解。
r=[(1+10.25%)^(1/4)-1]*4=9.88%
2020 07/23 14:27
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84785037 ![](/wenda/_nuxt/img/reply1.d92ea43.png)
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2020 07/23 14:35
^這個(gè)表示什么意思呀,能把計(jì)算寫(xiě)要紙上傳一下唄,我的理解能好差
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雨萱老師 ![](/wenda/_nuxt/img/reply2.28c7604.png)
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2020 07/23 14:37
在excecl里,^表示乘冪。。比如2^3,就3個(gè)2相乘,2×2×2=8。。^(1/4)就是開(kāi)四次方,這個(gè)沒(méi)法用手算,只能用計(jì)算器或者excel計(jì)算。
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84785037 ![](/wenda/_nuxt/img/reply1.d92ea43.png)
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2020 07/23 14:55
r=[(1+10.25%)^(1/4)-1]*4這一步是怎么展開(kāi)的呀
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雨萱老師 ![](/wenda/_nuxt/img/reply2.28c7604.png)
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2020 07/23 15:01
你好,你把我下面的這段,復(fù)制到excel里自動(dòng)就能算出來(lái)啦。
=((1+10.25%)^(1/4)-1)*4
展開(kāi)過(guò)程:
(1+r/4)?-1=10.25%
(1+r/4)?=10.25%+1
1+r/4 =(10.25%+1)^(1/4)
r/4=(10.25%+1)^(1/4)-1
r=[(1+10.25%)^(1/4)-1]*4
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