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Phổ biến >

The product of two consecutive odd integers is 143.

Lời Giải

The product of two consecutive odd integers is 143.

Lời Giải

The numbers : 11, 13 or - 13, - 11

Các bước giải pháp

Represent the numbers with

x

:

First number : x

Consecutive number : x + 2

A.T.Q.:

x (x + 2) = 143

Giải

x (x + 2) = 143 : x = 11, x = - 13

Thay

x = 11 : 13

Thay

x = - 13 : - 11

The numbers : 11, 13 or - 13, - 11

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