Question

verify x-(y-z) is not equal to (x-y)-z using example

Answer 1

Answer:

let x=1 ,y= 2 , z=3

x-(y-z)= 1-(2-3)= 2

(x-y)-z=(1-2)-3= -4

so , x-(y-z) is not equal to (x-y)-z

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