16 乘法 20 等于多少？

16 × 19 = 304 16 × 21 = 336 16 × 22 = 352 16 × 18 = 288 16 × 23 = 368 16 × 17 = 272 16 × 24 = 384 16 × 16 = 256 15 × 20 = 300 17 × 20 = 340 14 × 20 = 280 18 × 20 = 360 13 × 20 = 260 19 × 20 = 380 20 × 20 = 400 12 × 20 = 240 4 × 80 = 320 5 × 64 = 320 8 × 40 = 320 10 × 32 = 320 20 × 16 = 320 32 × 10 = 320 87 × 47 = 4089 99 × 14 = 1386 11 × 51 = 561 73 × 4 = 292 22 × 52 = 1144 63 × 48 = 3024 79 × 25 = 1975 61 × 8 = 488