Odpowiedzi

2010-02-11T21:24:12+01:00
1-2 ⅓ × 3 =1-7/3*3=1-7=-6
2010-02-11T21:25:57+01:00
2010-02-11T21:26:39+01:00
=1-⁷/₃ * 3=1-²¹/³=1-7= -6