Odpowiedzi

2010-01-25T17:26:28+01:00
[-2x (-3,3)] : (-2⅕ + 7¼) =6,6: 5,05=1,(3069)
2010-01-25T17:29:04+01:00
[-2x (-3,3)] : (-2⅕ + 7¼) = [-2x(-3,3)]:9,45=-6,6x:9,45=(-1,78x)
1 5 1
2010-01-25T17:33:34+01:00
[-2x (-3,3)] : (-2⅕ + 7¼) =
=6.6x:5,05 /:6.6
x=0,76
1 5 1