(8.86)² × (15.01)² ÷ √624.99 = 9?
(8.86)² × (15.01)² ÷ √624.99 = 9? => (9)² × (15)² ÷ √625 = 9? => 81 × 225 ÷ 25 = 9? => 81 × 9 = 9? => 9² × 9 = 9? => 9³ = 9? => ? = 3
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