問題已解決
老師您好,問題在圖片里,望講解,謝謝
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您好!很高興為您解答,請稍等
2024 11/16 10:42
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廖君老師 ![](/wenda/_nuxt/img/reply2.28c7604.png)
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2024 11/16 10:48
您好,本來是(F/A,i,5)=(F/A,i,4)+(F/P,i,4),現(xiàn)在5期減了A,(F/A,i,5)-A,圈1減圈2=A-(F/P,i,4),不是年金了
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84784990 ![](/wenda/_nuxt/img/reply1.d92ea43.png)
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2024 11/16 10:55
老師您好,(F/A,i,5)=(F/A,i,4)+(F/P,i,4)這個怎么理解
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廖君老師 ![](/wenda/_nuxt/img/reply2.28c7604.png)
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2024 11/16 11:00
朋友您好,用具體的數(shù)據(jù)哈
(F/A,9% ,5)比(F/A,9%,4)多了第1時點末的現(xiàn)金流的終值,即(F/P ,9%,4),所以(F/A,9%,5)=(F/A,9% ,4)+(F/P,9%,4)=5.9847。
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84784990 ![](/wenda/_nuxt/img/reply1.d92ea43.png)
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2024 11/16 11:38
大概明白了,(F/A,i,5)=(F/A,i,4)+(F/P,i,4),現(xiàn)在5期減了A,(F/A,i,5)-A,圈1減圈2=A-(F/P,i,4),不是年金了,這個還是不懂,老師能不能分解一下式子再
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廖君老師 ![](/wenda/_nuxt/img/reply2.28c7604.png)
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2024 11/16 11:41
您好,好的,
(F/A,i,5)=(F/A,i,4)+(F/P,i,4)? 這個您是理解了
圖中您說?的圈2是??(F/A,i,5) -A
那上面等式兩邊都減A
(F/A,i,5)-A=(F/A,i,4)-A+(F/P,i,4)??
(F/A,i,5)-A? 這是您說的是圈2
(F/A,i,4)?這是您說的是圈1
圈1?減??圈2
(F/A,i,4)?-(F/A,i,5)+A?把下面這個等式移項
(F/A,i,5)-A=(F/A,i,4)-A+(F/P,i,4)??
+A-(F/P,i,4)? =(F/A,i,4)-((F/A,i,5)-A)
我怕亂碼截圖下
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84784990 ![](/wenda/_nuxt/img/reply1.d92ea43.png)
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2024 11/16 15:41
(F/A,i,5)-A=(F/A,i,4)-A+(F/P,i,4)
+A-(F/P,i,4) =(F/A,i,4)-((F/A,i,5)-A)
我怕亂碼截圖下
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84784990 ![](/wenda/_nuxt/img/reply1.d92ea43.png)
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2024 11/16 15:41
老師這個等式兩邊不理解
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廖君老師 ![](/wenda/_nuxt/img/reply2.28c7604.png)
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2024 11/16 15:41
您好,這就是把等式移項
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84784990 ![](/wenda/_nuxt/img/reply1.d92ea43.png)
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2024 11/16 15:42
這里面是兩個比較,沒有相等
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84784990 ![](/wenda/_nuxt/img/reply1.d92ea43.png)
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2024 11/16 15:43
我再看看
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廖君老師 ![](/wenda/_nuxt/img/reply2.28c7604.png)
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2024 11/16 15:43
您好,(F/A,i,5)=(F/A,i,4)+(F/P,i,4)? 這個您是理解了
我是2邊都減A,為了得到您的條件圈2
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84784990 ![](/wenda/_nuxt/img/reply1.d92ea43.png)
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2024 11/16 15:46
(F/A,i,5)-A=(F/A,i,4)-A+(F/P,i,4)
+A-(F/P,i,4) =(F/A,i,4)-((F/A,i,5)-A)這個不理解老師
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廖君老師 ![](/wenda/_nuxt/img/reply2.28c7604.png)
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2024 11/16 15:49
您好,好的,
(F/A,i,5)=(F/A,i,4)+(F/P,i,4)? 這個您是理解了
我是2邊都減A
(F/A,i,5)-A=(F/A,i,4)+(F/P,i,4)? -A
(F/A,i,5)-A?這是您給的圈2
(F/A,i,4)這是您給的圈1
圈1?減??圈2
(F/A,i,4)-((F/A,i,5)-A )=-((F/P,i,4)? -A)=-(F/P,i,4)?+A
下面這個等式移項(把?移到一邊)
(F/A,i,5)-A=(F/A,i,4)+(F/P,i,4)? -A
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84784990 ![](/wenda/_nuxt/img/reply1.d92ea43.png)
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2024 11/16 18:39
老師您好,這個是代表這兩種情況不想等對嗎
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廖君老師 ![](/wenda/_nuxt/img/reply2.28c7604.png)
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2024 11/16 19:14
您好,是的,不相等的,等式只有這個
(F/A,i,5)=(F/A,i,4)+(F/P,i,4)??
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