1 乘法 30 等于多少？

1 × 29 = 29 1 × 31 = 31 1 × 28 = 28 1 × 32 = 32 1 × 33 = 33 1 × 27 = 27 1 × 34 = 34 1 × 26 = 26 2 × 30 = 60 3 × 30 = 90 4 × 30 = 120 5 × 30 = 150 6 × 30 = 180 7 × 30 = 210 8 × 30 = 240 9 × 30 = 270 2 × 15 = 30 3 × 10 = 30 5 × 6 = 30 6 × 5 = 30 10 × 3 = 30 15 × 2 = 30 77 × 23 = 1771 39 × 23 = 897 13 × 100 = 1300 52 × 54 = 2808 65 × 3 = 195 24 × 41 = 984 49 - 19 = 30 17 + 13 = 30