1 乘法 1 等于多少？

1 × 2 = 2 1 × 3 = 3 1 × 4 = 4 1 × 5 = 5 1 × 6 = 6 1 × 7 = 7 1 × 8 = 8 1 × 9 = 9 2 × 1 = 2 3 × 1 = 3 4 × 1 = 4 5 × 1 = 5 6 × 1 = 6 7 × 1 = 7 8 × 1 = 8 9 × 1 = 9 4 × 2 = 8 2 × 4 = 8 17 - 16 = 1 37 - 36 = 1 10 - 9 = 1 82 - 81 = 1 15 × 13 = 195 11 × 26 = 286 2 × 54 = 108 82 × 3 = 246 26 × 27 = 702 50 × 74 = 3700