Răspunsuri

2014-11-03T19:20:10+02:00
Am gresit ,la mine in loc sa imi dea 2x4 =8 mie mi-a dat 16 ,sunt foarte obosit si nu imi dau seama ce mai scriu
2014-11-03T19:20:22+02:00
=8- 4x{ 3+3x[ 16+4x( 8+2 )]:2:3}x31
=8-4x[3+3x(16+40)]:2:3]x31
=8-4x(3+3x56):2:3]x31
=8-4x171:2:3x31
=8-684:2:3x31
=8-342:3x31
=8-114x31
=8-3534
=-3526