Determine the sums given below using suitable rearrangement. 2 + … - Vidyadip

Question

Determine the sums given below using suitable rearrangement. $2 + 3 + 4 + 5 + 45 + 46 + 47 + 48$

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Answer

$2 + 3 + 4 + 5 + 45 + 46 + 47 + 48 (2 + 3 + 4 + 5) + (45 + 46 + 47 + 48)$ (Using associative property of addition)
$= 14 + 186 = 200$

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