Is the work shown below correct? Explain your
answer.
(11 + 21 ) - (3 - 101)
= 11 + 21 - 3 - 10;
= (11 - 3) + (21 - 101)
= 8 - 81


Answer :

(11+21)-(3-101)=(11+21-3-10=(11-3)+(21-101=8-18=53

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