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標題:

find e,f,g,h

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發問:

eg =20 ... (1) eh =16 ... (2) fg = 70 ... (3) fh = 56 ... (4) FIND e,f,g,h

最佳解答:

eg =20 ... (1) eh =16 ... (2) fg = 70 ... (3) fh = 56 ... (4) (1) => g = 20/e (2) => h = 16/e (3) => f = 70/g = 70/(20/e) = 7e/2 (4) => f = 56/h = 56/(16/e) = 7e/2 Hence there are infinite many solutions. Some examples are: e = 1; g = 20; h = 16; f = 7/2 e = 2; g = 10; h = 8; f = 7 e = 4; g = 5; h = 4; f = 14, etc, etc

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