Question

if a=723,b=236,and c=209, show that A-(b-c) not equal to (a-b) -c​

Answer 1

A=723

B=236

C=209

To prove :

a-(b-c) isn't equal to (a-b)-c =LHS:

=723-(236-209)

=(723-27)

=696

=RHS:

=(723-236)-209

=487-209

=278

=Hence,

696 isn't equivalent to 278