2 乘法 15 等于多少？

2 × 14 = 28 2 × 16 = 32 2 × 13 = 26 2 × 17 = 34 2 × 12 = 24 2 × 18 = 36 2 × 11 = 22 2 × 19 = 38 1 × 15 = 15 3 × 15 = 45 4 × 15 = 60 5 × 15 = 75 6 × 15 = 90 7 × 15 = 105 8 × 15 = 120 9 × 15 = 135 1 × 30 = 30 3 × 10 = 30 5 × 6 = 30 6 × 5 = 30 10 × 3 = 30 15 × 2 = 30 41 × 13 = 533 97 × 76 = 7372 81 × 41 = 3321 34 × 44 = 1496 17 × 16 = 272 99 × 23 = 2277 2 + 28 = 30 40 - 10 = 30