8 乘法 1 等于多少？

8 × 2 = 16 8 × 3 = 24 8 × 4 = 32 8 × 5 = 40 8 × 6 = 48 8 × 7 = 56 8 × 8 = 64 8 × 9 = 72 7 × 1 = 7 9 × 1 = 9 6 × 1 = 6 10 × 1 = 10 11 × 1 = 11 5 × 1 = 5 12 × 1 = 12 4 × 1 = 4 1 × 8 = 8 2 × 4 = 8 4 × 2 = 8 3 × 3 = 9 1 × 4 = 4 1 × 9 = 9 65 - 57 = 8 18 - 10 = 8 21 - 13 = 8 57 - 49 = 8 40 × 61 = 2440 67 × 73 = 4891 99 × 83 = 8217 76 × 99 = 7524