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 19 × 23 = 437 47 × 78 = 3666 78 × 78 = 6084 68 × 25 = 1700 98 × 29 = 2842 9 × 65 = 585 16 × 62 = 992 26 × 15 = 390