25 × 5 - ?% of 150 = 102 - 2
9999² + 1111² =?
√729 × 5 + 270 - 3 ÷ ∛27 + 4 × ? = 484
182 + 10 × 12 - ? = 312
2856 ÷ 34 = ?% of 240
I. 8x² - 74x + 165 = 0
II. 15y² - 38y + 24 = 0
(30 × 0.80)⁴ ÷ (2160 ÷ 60)⁴ × (54 × 16)⁴ = (6 × 4)?+5
The value of 15 × 14 – 30 + (32 + 17) is:
Solve: 3/4÷2/3