40 乘法 1 等于多少？

40 × 2 = 80 40 × 3 = 120 40 × 4 = 160 40 × 5 = 200 40 × 6 = 240 40 × 7 = 280 40 × 8 = 320 40 × 9 = 360 39 × 1 = 39 41 × 1 = 41 38 × 1 = 38 42 × 1 = 42 37 × 1 = 37 43 × 1 = 43 44 × 1 = 44 36 × 1 = 36 1 × 40 = 40 2 × 20 = 40 4 × 10 = 40 5 × 8 = 40 8 × 5 = 40 10 × 4 = 40 20 × 37 = 740 56 × 66 = 3696 19 × 38 = 722 69 × 82 = 5658 34 × 68 = 2312 50 × 29 = 1450 1 + 39 = 40 42 - 2 = 40