45 乘法 21 等于多少？

45 × 20 = 900 45 × 22 = 990 45 × 19 = 855 45 × 23 = 1035 45 × 24 = 1080 45 × 18 = 810 45 × 25 = 1125 45 × 17 = 765 44 × 21 = 924 46 × 21 = 966 47 × 21 = 987 43 × 21 = 903 48 × 21 = 1008 42 × 21 = 882 49 × 21 = 1029 41 × 21 = 861 15 × 63 = 945 21 × 45 = 945 27 × 35 = 945 35 × 27 = 945 63 × 15 = 945 30 × 63 = 1890 16 × 87 = 1392 5 × 79 = 395 2 × 92 = 184 51 × 83 = 4233 15 × 76 = 1140 97 × 82 = 7954 87 × 39 = 3393 91 × 87 = 7917