Oblicz. / kreska ułamkowa - minus : dzielone razy- mnożenie a)4/5 - (1,2 razy 5/12 - 0,8) : (-1/8)
a)
4/5-(1,2*5/12-0,8):(-1/8)=4/5-(12/10*5/12-4/5)*(-8)=4/5-(1/2-4/5)*(-8)=
=0,8-(0,5-0,8)*(-8)=0,8-(-0,3)*(-8)=0,8-2,4=-1,6
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a)
4/5-(1,2*5/12-0,8):(-1/8)=4/5-(12/10*5/12-4/5)*(-8)=4/5-(1/2-4/5)*(-8)=
=0,8-(0,5-0,8)*(-8)=0,8-(-0,3)*(-8)=0,8-2,4=-1,6