Odpowiedzi

2009-09-02T18:43:52+02:00
Pamiętaj o kolojności wykonywania zadań ;)

2/3-0,8:5/16-(-2):9/2 = 2/3 - 0,8 : 0,3125 - (-2) : 4,5= 2/3 - 2,56 - (-2) * 2/9 = 2/3 - 2,56 - (-4/9) = 2/3 - 256/100 + 4/9 = 600/900 - 2304/900 + 400/900 = -1304/900 = -652/450 = -326/225


Pozdrawiam,
matteushq;)
1 5 1
2009-09-02T18:45:13+02:00
2/3-8/10:5/16-(-2):9/2=
=2/3-8/10*16/5-(-2)*2/9=
=2/3-64/25+4/9=
=6/9-2 14/25+4/9=
=10/9-2 14/25=
=250/225-2 126/225
=-1 101/225
1 5 1
2009-09-02T18:50:32+02:00
2/3-8/10:5/16-(-2):9/2=2/3-8/10*16/5-(-2)*2/9=2/3-64/25+4/9=6/9-2 14/25+4/9=2/9-2 14/25=580/225-2 126/225=-2 76/225