Odpowiedzi

2010-02-01T10:53:38+01:00
2010-02-01T10:55:03+01:00
³/₄+(-5,6)׳/₇=
= ³/₄- 2,4=
= 0,75- 2,4=
= -1,65
2010-02-01T10:55:55+01:00
3/4+(-5,6)×3/7=3/4-28/5*3/7=3/4-4/5*3=3/4-12/5=8/20-16/20=-8/20