4 乘法 45 等于多少？

4 × 44 = 176 4 × 46 = 184 4 × 47 = 188 4 × 43 = 172 4 × 48 = 192 4 × 42 = 168 4 × 49 = 196 4 × 41 = 164 3 × 45 = 135 5 × 45 = 225 2 × 45 = 90 6 × 45 = 270 1 × 45 = 45 7 × 45 = 315 8 × 45 = 360 9 × 45 = 405 2 × 90 = 180 3 × 60 = 180 5 × 36 = 180 6 × 30 = 180 9 × 20 = 180 10 × 18 = 180 37 × 92 = 3404 52 × 54 = 2808 34 × 55 = 1870 95 × 76 = 7220 29 × 81 = 2349 39 × 42 = 1638 91 + 89 = 180 96 + 84 = 180