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Phổ biến Word Problems >

If the sum of three consecutive odd numbers is 177. What is the smallest of the three numbers?

Lời Giải

I f t h e s u m o f t h ree co n sec u t i v e o dd n u mb ers i s 177. Wha t i s t h e s ma ll es t o f t h e t h ree n u mb ers ?

Lời Giải

The smallest number : 57

Các bước giải pháp

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 = 177

Giải

x + x + 2 + x + 4 = 177 : x = 57

x + 2 = 57 + 2 = 59

x + 4 = 57 + 4 = 61

Select the smallest solution:

57

The smallest number : 57

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