Răspuns :
3+3×3+2+23+2+1+20+3+4=
=3+9+2+23+2+1+20+3+4
=12+2+23+2+1+20+3+4
=14+23+2+1+20+3+4
=37+2+1+20+3+4
=39+1+20+3+4
=40+20+3+4
=60+3+4
=63+4
=67
=3+9+2+23+2+1+20+3+4
=12+2+23+2+1+20+3+4
=14+23+2+1+20+3+4
=37+2+1+20+3+4
=39+1+20+3+4
=40+20+3+4
=60+3+4
=63+4
=67
3+3.3+2+23+2+1+20+3+4
3+9+2+23+2+1+20+3+4
12+2+23+2+1+20+3+4
14+23+2+1+20+3+4
37+2+1+20+3+4
39+1+20+3+4
40+20+3+4
60+3+4
63+4=67
Pe scurt:
3+3.3+2+23+2+1+20+3+4
3+9+2+23+2+1+20+3+4
12+25+3+23+4
37+26+4
63+4=67
3+9+2+23+2+1+20+3+4
12+2+23+2+1+20+3+4
14+23+2+1+20+3+4
37+2+1+20+3+4
39+1+20+3+4
40+20+3+4
60+3+4
63+4=67
Pe scurt:
3+3.3+2+23+2+1+20+3+4
3+9+2+23+2+1+20+3+4
12+25+3+23+4
37+26+4
63+4=67