13 乘法 20 等于多少？

13 × 19 = 247 13 × 21 = 273 13 × 22 = 286 13 × 18 = 234 13 × 23 = 299 13 × 17 = 221 13 × 24 = 312 13 × 16 = 208 12 × 20 = 240 14 × 20 = 280 11 × 20 = 220 15 × 20 = 300 10 × 20 = 200 16 × 20 = 320 17 × 20 = 340 9 × 20 = 180 4 × 65 = 260 5 × 52 = 260 10 × 26 = 260 20 × 13 = 260 26 × 10 = 260 52 × 5 = 260 92 × 71 = 6532 52 × 81 = 4212 31 × 3 = 93 54 × 3 = 162 51 × 12 = 612 45 × 23 = 1035 60 × 72 = 4320 75 × 18 = 1350