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受欢迎的 Word Problems >

The sum of 3 consecutive odd numbers is 51

解答

T h e s u m o f 3 co n sec u t i v e o dd n u mb ers i s 51

解答

The numbers : 15, 17, 19

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 + x + 4 = 51

解

x + x + 2 + x + 4 = 51 : x = 15

x + 2 = 15 + 2 = 17

x + 4 = 15 + 4 = 19

The numbers : 15, 17, 19

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