구구단 표

2단 3단 4단 5단 6단 7단 8단 9단
2 X 1 = 23 X 1 = 34 X 1 = 45 X 1 = 56 X 1 = 67 X 1 = 78 X 1 = 89 X 1 = 9
2 X 2 = 43 X 2 = 64 X 2 = 85 X 2 = 106 X 2 = 127 X 2 = 148 X 2 = 169 X 2 = 18
2 X 3 = 63 X 3 = 94 X 3 = 125 X 3 = 156 X 3 = 187 X 3 = 218 X 3 = 249 X 3 = 27
2 X 4 = 83 X 4 = 124 X 4 = 165 X 4 = 206 X 4 = 247 X 4 = 288 X 4 = 329 X 4 = 36
2 X 5 = 103 X 5 = 154 X 5 = 205 X 5 = 256 X 5 = 307 X 5 = 358 X 5 = 409 X 5 = 45
2 X 6 = 123 X 6 = 184 X 6 = 245 X 6 = 306 X 6 = 367 X 6 = 428 X 6 = 489 X 6 = 54
2 X 7 = 143 X 7 = 214 X 7 = 285 X 7 = 356 X 7 = 427 X 7 = 498 X 7 = 569 X 7 = 63
2 X 8 = 163 X 8 = 244 X 8 = 325 X 8 = 406 X 8 = 487 X 8 = 568 X 8 = 649 X 8 = 72
2 X 9 = 183 X 9 = 274 X 9 = 365 X 9 = 456 X 9 = 547 X 9 = 638 X 9 = 729 X 9 = 81