Răspuns:
5x8=40
3x2x4=6x4=24
4x10=40
9x4=36
3x8=24
3x3x4=9x4=36
2x2x10=4x10=40
4x2x5=8x5=40
2x3x4=6x4=24
2x3x6=6x6=36
6x6=36
5x2x4=10x4=40