21 乘法 100 等于多少？

21 × 99 = 2079 21 × 98 = 2058 21 × 97 = 2037 21 × 96 = 2016 21 × 95 = 1995 21 × 94 = 1974 21 × 93 = 1953 21 × 92 = 1932 20 × 100 = 2000 22 × 100 = 2200 19 × 100 = 1900 23 × 100 = 2300 24 × 100 = 2400 18 × 100 = 1800 25 × 100 = 2500 17 × 100 = 1700 25 × 84 = 2100 28 × 75 = 2100 30 × 70 = 2100 35 × 60 = 2100 42 × 50 = 2100 50 × 42 = 2100 67 × 84 = 5628 89 × 43 = 3827 38 × 37 = 1406 22 × 37 = 814 18 × 71 = 1278 71 × 46 = 3266 32 × 45 = 1440 66 × 27 = 1782