30 乘法 40 等于多少？

30 × 39 = 1170 30 × 41 = 1230 30 × 38 = 1140 30 × 42 = 1260 30 × 37 = 1110 30 × 43 = 1290 30 × 44 = 1320 30 × 36 = 1080 29 × 40 = 1160 31 × 40 = 1240 28 × 40 = 1120 32 × 40 = 1280 33 × 40 = 1320 27 × 40 = 1080 34 × 40 = 1360 26 × 40 = 1040 12 × 100 = 1200 15 × 80 = 1200 16 × 75 = 1200 20 × 60 = 1200 24 × 50 = 1200 25 × 48 = 1200 82 × 100 = 8200 34 × 2 = 68 12 × 36 = 432 23 × 10 = 230 75 × 19 = 1425 57 × 72 = 4104 53 × 48 = 2544 41 × 11 = 451