4 1/2*2/3-1/4-4,5*2+0,4*5=
4 1/2*2/3-1/4-4,5*2+0,4*5= 9/2*2/3- 1/4- 9+= 3- 0,25-9+2= - 4,25
Ostateczny wynik: - 4,25
4½·⅔ -¼-4½·2+0,4·5=9/2·⅔-¼-9+2 =3-¼-9+2/5·5=3-¼-9+2=5-9¼=-4¼
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4 1/2*2/3-1/4-4,5*2+0,4*5= 9/2*2/3- 1/4- 9+= 3- 0,25-9+2= - 4,25
Ostateczny wynik: - 4,25
4½·⅔ -¼-4½·2+0,4·5=9/2·⅔-¼-9+2 =3-¼-9+2/5·5=3-¼-9+2=5-9¼=-4¼