20 乘法 9 等于多少？

20 × 8 = 160 20 × 10 = 200 20 × 11 = 220 20 × 7 = 140 20 × 12 = 240 20 × 6 = 120 20 × 13 = 260 20 × 5 = 100 19 × 9 = 171 21 × 9 = 189 22 × 9 = 198 18 × 9 = 162 23 × 9 = 207 17 × 9 = 153 24 × 9 = 216 16 × 9 = 144 2 × 90 = 180 3 × 60 = 180 4 × 45 = 180 5 × 36 = 180 6 × 30 = 180 9 × 20 = 180 87 × 54 = 4698 14 × 60 = 840 85 × 3 = 255 97 × 6 = 582 17 × 41 = 697 2 × 69 = 138 95 + 85 = 180 89 + 91 = 180