Răspuns :
(6×3-3+3×3+1):3-9+1×1+3:1=
(18-3+9+1):3-9+1+3=
(15+10):3-10+3=
25:3-13=
se calculeaza mai intai parantezele ( ), apoi [ ]
[6x3-3+3x(3+1)]:3-3x3+3:3x1+3:1=
[18-3+3x4]:3-3x3+3:3x1+3:1=
[18-3+12]:3-3x3+3x1+3:1=
[15+12]:3-3x3+3x1+3:1=
27:3-3x3+3x1+3:1=
calculezi apoi inmultirile si impartirile
9-9+3+3=
0+3+3=
3+3=
6
[6x3-3+3x(3+1)]:3-3x3+3:3x1+3:1=
[18-3+3x4]:3-3x3+3:3x1+3:1=
[18-3+12]:3-3x3+3x1+3:1=
[15+12]:3-3x3+3x1+3:1=
27:3-3x3+3x1+3:1=
calculezi apoi inmultirile si impartirile
9-9+3+3=
0+3+3=
3+3=
6