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受欢迎的 Word Problems >

th sum of two numbers is 54 and their 差集 is 20. find the numbers

解答

t h s u m o f tw o n u mb ers i s 54 an d t h e i r d i ff ere n ce i s 20. f in d t h e n u mb ers

解答

The numbers : 37, 17

求解步骤

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x + y = 54

x - y = 20

x + y = 54, x - y = 20 : x = 37, y = 17

The numbers : 37, 17

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