Question
Determine the sums given below using suitable rearrangement. $3259 + 10001 + 2641 + 9999$

Answer

$3259 + 10001 + 2641 + 9999 (3259 + 10001) + (2641 + 9999)$ (Using associative property of addition)
$= 13260 + 12640 = 25900$

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