31. Simplify 20 - [5 - {6 + 2(5 - 8 - 5)}].
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Explanation:
20 - [5 - {6 + 2(5 - 8 - 5)}].
20-[5-{8(-8)}]
20-[5-{8-8}]
20-[5-0]
20-5
15
bcp19332ashish:
thnx
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