3 乘法 30 等于多少？

3 × 29 = 87 3 × 31 = 93 3 × 28 = 84 3 × 32 = 96 3 × 33 = 99 3 × 27 = 81 3 × 34 = 102 3 × 26 = 78 2 × 30 = 60 4 × 30 = 120 1 × 30 = 30 5 × 30 = 150 6 × 30 = 180 7 × 30 = 210 8 × 30 = 240 9 × 30 = 270 1 × 90 = 90 2 × 45 = 90 5 × 18 = 90 6 × 15 = 90 9 × 10 = 90 10 × 9 = 90 19 × 68 = 1292 76 × 64 = 4864 26 × 40 = 1040 18 × 91 = 1638 56 × 15 = 840 80 × 19 = 1520 12 + 78 = 90 35 + 55 = 90