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受欢迎的 Word Problems >

Find three consecutive odd integers such that the sum of the smallest number and middle number is 27 less than 3 times the largest number

解答

求解

t h ree co n sec u t i v e o dd in t e g ers s u c h t ha t t h e s u m o f t h e s ma ll es t n u mb er an d mi dd l e n u mb er i s 27 l ess t han 3 t im es t h e l a r g es t n u mb er

解答

The numbers : 17, 19, 21

求解步骤

Represent the numbers with

x

:

First number : x

Consecutive number 1 : x + 2

Consecutive number 2 : x + 4

A.T.Q.:

x + x + 2 = 3 (x + 4) - 27

解

x + x + 2 = 3 (x + 4) - 27 : x = 17

x + 2 = 17 + 2 = 19

x + 4 = 17 + 4 = 21

The numbers : 17, 19, 21

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