Ducks belong to the family Anatidae, which also includes swans and geese.
1885 ÷ 64.98 + 7.29 + ? = 69.09
√3970 × √730- √2400 =?
√10404 + √9604 - ∛1728 - ∛42875 = ?
3.2% of 500 × 2.4% of ? = 288
√144 × √121 + 25% of 600 = ? + 256
862 - 37 – ? = – 432
436 × 794 – 68210 =? + 85730
1/5 of 6/3 of 3/2 of 1966 = ?
3% of 842 ÷ 2% of 421 = ?
654.056 + 28.9015 × 44.851 – 43.129 = ?
