20 乘法 45 等于多少？

20 × 44 = 880 20 × 46 = 920 20 × 47 = 940 20 × 43 = 860 20 × 48 = 960 20 × 42 = 840 20 × 49 = 980 20 × 41 = 820 19 × 45 = 855 21 × 45 = 945 22 × 45 = 990 18 × 45 = 810 23 × 45 = 1035 17 × 45 = 765 24 × 45 = 1080 16 × 45 = 720 9 × 100 = 900 10 × 90 = 900 12 × 75 = 900 15 × 60 = 900 18 × 50 = 900 25 × 36 = 900 1 × 59 = 59 98 × 59 = 5782 96 × 14 = 1344 99 × 66 = 6534 72 × 27 = 1944 14 × 85 = 1190 15 × 59 = 885 29 × 13 = 377