55 ÷ 11 × 6 + ?2 = 47 × 2
322 – 182 + 11 × 24 = ?
54% of 250 = 6 × 21 + √?
[(1245 ÷ 9) ÷ 12] × 540 = ?2 – 175
52% of 400 + √(?) = 60% of 600 - 25% of 400
√529 + √64 + 92 = ?
18 × 15 + 86 – 58 =? + 38
150% of 850 ÷ 25 – 25 = ?% of (39312 ÷ 1512)
17.5% of 400 – 24% of 150 = ?
