15 乘法 4 等于多少？

15 × 3 = 45 15 × 5 = 75 15 × 2 = 30 15 × 6 = 90 15 × 1 = 15 15 × 7 = 105 15 × 8 = 120 15 × 9 = 135 14 × 4 = 56 16 × 4 = 64 13 × 4 = 52 17 × 4 = 68 12 × 4 = 48 18 × 4 = 72 11 × 4 = 44 19 × 4 = 76 1 × 60 = 60 2 × 30 = 60 3 × 20 = 60 4 × 15 = 60 5 × 12 = 60 6 × 10 = 60 84 × 72 = 6048 50 × 55 = 2750 48 × 33 = 1584 1 × 53 = 53 28 × 63 = 1764 23 × 88 = 2024 77 - 17 = 60 40 + 20 = 60