27-(63-8)and(72-63)-8 is it equivalent or not and why
2 answers:
They are not equivalent because 27-(63-8) is equal to -28 and (72-63)-8 is equal to 1.<span />
For the first one is
27-(63-8)
27-55
28
The second one is (72-63)-8
9-8
1
They are not equivalent.
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