1.

Simplifly{(625)-1/2)-1/4}1

Answer» First in bracket, denominator should be same, so( 625 × 2)/2 = 1250/2-1/2 = 1249/2 - 1/4 so, (1249×2)/4 = 2498/4 so, 624.5 is the answer.
2497/4


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