5 乘法 4 等于多少？

5 × 3 = 15 5 × 5 = 25 5 × 2 = 10 5 × 6 = 30 5 × 1 = 5 5 × 7 = 35 5 × 8 = 40 5 × 9 = 45 4 × 4 = 16 6 × 4 = 24 3 × 4 = 12 7 × 4 = 28 2 × 4 = 8 8 × 4 = 32 1 × 4 = 4 9 × 4 = 36 1 × 20 = 20 2 × 10 = 20 4 × 5 = 20 10 × 2 = 20 20 × 1 = 20 86 × 59 = 5074 99 × 56 = 5544 73 × 9 = 657 93 × 83 = 7719 83 × 21 = 1743 19 × 23 = 437 6 + 14 = 20 100 - 80 = 20 14 + 6 = 20