26.11% of ? – 521.02 = 648.51 26% of ? – 521 = 649 => ? = (1170× 100)/26 => ? = 4500
(462.23 × 127.84 ÷ 153.88) ÷ √(31.98 × 7.92) = ? ÷ 15.15
139.88% of 145.09 + 721.93 ÷ 38.13 +? = 29.14 * 8.18
1359.98 ÷ 30.48 × 15.12 = ? × 4.16
44.89% of 600.25 + (29.98 × 5.67) + (√1940 – 10.29) = ?2
4650.12 ÷ √8648.88 + √27.08 * √1727.85 = ? – 609.10 ÷ 87.07
...(7.992/√?) + √16/? = 14.032/?
20.05% of 150.05 – 12.15% of 99.99 × 2.02 = ?
(? + 6.063.03 ) ÷ 10.08 + 21.89 × 6.97 = 1979.97 ÷ 10.96
`(13.022)^(2)+ (42.93)^(2)-(53.125)^(2)+(192.33xx14.88)=?- (88.44)^(2)- (42.03 xx 23.12)`