30 乘法 30 等于多少？

30 × 29 = 870 30 × 31 = 930 30 × 28 = 840 30 × 32 = 960 30 × 33 = 990 30 × 27 = 810 30 × 34 = 1020 30 × 26 = 780 29 × 30 = 870 31 × 30 = 930 28 × 30 = 840 32 × 30 = 960 33 × 30 = 990 27 × 30 = 810 34 × 30 = 1020 26 × 30 = 780 9 × 100 = 900 10 × 90 = 900 12 × 75 = 900 15 × 60 = 900 18 × 50 = 900 20 × 45 = 900 28 × 13 = 364 5 × 35 = 175 59 × 73 = 4307 70 × 76 = 5320 89 × 50 = 4450 72 × 84 = 6048 44 × 68 = 2992 51 × 71 = 3621