4 乘法 40 等于多少？

4 × 39 = 156 4 × 41 = 164 4 × 38 = 152 4 × 42 = 168 4 × 37 = 148 4 × 43 = 172 4 × 44 = 176 4 × 36 = 144 3 × 40 = 120 5 × 40 = 200 2 × 40 = 80 6 × 40 = 240 1 × 40 = 40 7 × 40 = 280 8 × 40 = 320 9 × 40 = 360 2 × 80 = 160 5 × 32 = 160 8 × 20 = 160 10 × 16 = 160 16 × 10 = 160 20 × 8 = 160 36 × 18 = 648 32 × 98 = 3136 48 × 39 = 1872 52 × 14 = 728 6 × 31 = 186 76 × 31 = 2356 66 + 94 = 160 89 + 71 = 160