18 乘法 90 等于多少？

18 × 89 = 1602 18 × 91 = 1638 18 × 92 = 1656 18 × 88 = 1584 18 × 93 = 1674 18 × 87 = 1566 18 × 94 = 1692 18 × 86 = 1548 17 × 90 = 1530 19 × 90 = 1710 20 × 90 = 1800 16 × 90 = 1440 21 × 90 = 1890 15 × 90 = 1350 22 × 90 = 1980 14 × 90 = 1260 20 × 81 = 1620 27 × 60 = 1620 30 × 54 = 1620 36 × 45 = 1620 45 × 36 = 1620 54 × 30 = 1620 35 × 5 = 175 73 × 50 = 3650 32 × 88 = 2816 67 × 80 = 5360 30 × 27 = 810 57 × 97 = 5529 88 × 2 = 176 91 × 95 = 8645