80 乘法 99 等于多少？

80 × 98 = 7840 80 × 100 = 8000 80 × 97 = 7760 80 × 96 = 7680 80 × 95 = 7600 80 × 94 = 7520 80 × 93 = 7440 80 × 92 = 7360 79 × 99 = 7821 81 × 99 = 8019 78 × 99 = 7722 82 × 99 = 8118 83 × 99 = 8217 77 × 99 = 7623 84 × 99 = 8316 76 × 99 = 7524 88 × 90 = 7920 90 × 88 = 7920 99 × 80 = 7920 19 × 7 = 133 45 × 50 = 2250 19 × 19 = 361 34 × 62 = 2108 5 × 39 = 195 50 × 34 = 1700 2 × 44 = 88 75 × 89 = 6675 64 × 74 = 4736 38 × 36 = 1368 96 × 88 = 8448