1 乘法 13 等于多少？

1 × 12 = 12 1 × 14 = 14 1 × 11 = 11 1 × 15 = 15 1 × 10 = 10 1 × 16 = 16 1 × 17 = 17 1 × 9 = 9 2 × 13 = 26 3 × 13 = 39 4 × 13 = 52 5 × 13 = 65 6 × 13 = 78 7 × 13 = 91 8 × 13 = 104 9 × 13 = 117 13 × 1 = 13 99 × 97 = 9603 54 × 65 = 3510 33 × 93 = 3069 92 × 83 = 7636 33 × 81 = 2673 69 × 79 = 5451 64 - 51 = 13 62 - 49 = 13 30 - 17 = 13 14 - 1 = 13 16 × 71 = 1136 15 × 76 = 1140 94 × 52 = 4888