31 乘法 1 等于多少？

31 × 2 = 62 31 × 3 = 93 31 × 4 = 124 31 × 5 = 155 31 × 6 = 186 31 × 7 = 217 31 × 8 = 248 31 × 9 = 279 30 × 1 = 30 32 × 1 = 32 29 × 1 = 29 33 × 1 = 33 28 × 1 = 28 34 × 1 = 34 35 × 1 = 35 27 × 1 = 27 1 × 31 = 31 44 × 91 = 4004 62 × 9 = 558 45 × 34 = 1530 52 × 48 = 2496 75 × 43 = 3225 48 × 91 = 4368 40 - 9 = 31 58 - 27 = 31 28 + 3 = 31 95 - 64 = 31 56 × 74 = 4144 61 × 58 = 3538 82 × 83 = 6806