30 乘法 1 等于多少？

30 × 2 = 60 30 × 3 = 90 30 × 4 = 120 30 × 5 = 150 30 × 6 = 180 30 × 7 = 210 30 × 8 = 240 30 × 9 = 270 29 × 1 = 29 31 × 1 = 31 28 × 1 = 28 32 × 1 = 32 33 × 1 = 33 27 × 1 = 27 34 × 1 = 34 26 × 1 = 26 1 × 30 = 30 2 × 15 = 30 3 × 10 = 30 5 × 6 = 30 6 × 5 = 30 10 × 3 = 30 1 × 100 = 100 40 × 39 = 1560 27 × 98 = 2646 75 × 12 = 900 90 × 87 = 7830 42 × 24 = 1008 96 - 66 = 30 35 - 5 = 30