31 乘法 13 等于多少？

31 × 12 = 372 31 × 14 = 434 31 × 11 = 341 31 × 15 = 465 31 × 10 = 310 31 × 16 = 496 31 × 17 = 527 31 × 9 = 279 30 × 13 = 390 32 × 13 = 416 29 × 13 = 377 33 × 13 = 429 28 × 13 = 364 34 × 13 = 442 35 × 13 = 455 27 × 13 = 351 13 × 31 = 403 24 × 14 = 336 89 × 57 = 5073 2 × 89 = 178 24 × 80 = 1920 45 × 85 = 3825 39 × 31 = 1209 56 × 60 = 3360 19 × 31 = 589 61 × 37 = 2257 99 × 11 = 1089 45 × 66 = 2970 13 × 43 = 559