19 乘法 13 等于多少？

19 × 12 = 228 19 × 14 = 266 19 × 11 = 209 19 × 15 = 285 19 × 10 = 190 19 × 16 = 304 19 × 17 = 323 19 × 9 = 171 20 × 13 = 260 18 × 13 = 234 21 × 13 = 273 17 × 13 = 221 22 × 13 = 286 16 × 13 = 208 23 × 13 = 299 15 × 13 = 195 13 × 19 = 247 94 × 98 = 9212 95 × 90 = 8550 52 × 96 = 4992 20 × 12 = 240 40 × 67 = 2680 53 × 6 = 318 30 × 48 = 1440 87 × 80 = 6960 8 × 30 = 240 68 × 78 = 5304 71 × 69 = 4899 44 × 44 = 1936