Răspunsuri

2014-01-07T20:38:19+02:00
(10-9) x (8-7) x (6-5) x(4-3) x (2-1)=1
apar 2 de 2 cu minus intre ei ....3x2-2x1-1
....3x2-2x1=1
2014-01-07T21:13:00+02:00
10-9x[(8-7)x(6-5)x(4-3)x(2-2)x1]