There are nine solutions to this puzzle, as follows, and no more:--

12 × 483 = 5,796 27 × 198 = 5,346

42 × 138 = 5,796 39 × 186 = 7,254

18 × 297 = 5,346 48 × 159 = 7,632

28 × 157 = 4,396

4 × 1,738 = 6,952

4 × 1,963 = 7,852

The seventh answer is the one that is most likely to be overlooked by

solvers of the puzzle.

Amusements in Mathematics · 第 585 / 970 题