6 D X O 7 X I 8 T 9 L 8 B 9 A 5 E T 6 P N D 7 R S
570.11 ÷ 18.98 × 5.14 – 123.9 = √?
?2 = 159.97% of 65.004 + 319.98 ÷ 15.99 - 24
12, 16, ?, 36, 52, 72
?% of (112.31 ÷ 13.97 × 90.011) = 359.98
14.232 + 24.98% of 679.99 = ? × 5.99
74.91% of 639.95 – 599.98% of 45 + 119.987 = ?
(88.931% of 435) + (61.521% of 516) = ?
13³ + 1.3² + 1.03¹ + 1.003 =?
[(5/9 of 719.87) + (59.73% of 450.31)] ÷ (√168.79 - 3/4 of 63.94) = ?
√675 + √785 = ? × 8.995