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Question
Determine the sum given below using suitable rearrangement.
2 + 3 + 4 + 5 + 45 + 46 + 47 + 48
Solution
2 + 3 + 4 + 5 + 45 + 46 + 47 + 48
(2 + 3 + 4 + 5) + (45 + 46 + 47 + 48) (Using associative property of addition)
= 14 + 186
= 200
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