13 乘法 31 等于多少？

13 × 30 = 390 13 × 32 = 416 13 × 29 = 377 13 × 33 = 429 13 × 28 = 364 13 × 34 = 442 13 × 35 = 455 13 × 27 = 351 12 × 31 = 372 14 × 31 = 434 11 × 31 = 341 15 × 31 = 465 10 × 31 = 310 16 × 31 = 496 17 × 31 = 527 9 × 31 = 279 31 × 13 = 403 29 × 31 = 899 6 × 14 = 84 46 × 42 = 1932 100 × 100 = 10000 81 × 77 = 6237 91 × 73 = 6643 51 × 95 = 4845 64 × 60 = 3840 74 × 28 = 2072 31 × 77 = 2387 10 × 54 = 540 55 × 26 = 1430