Rozwiążcie !
zad 1.
1 1/4*1 3/5-(0,6-0,55)=
zad 2.
4 1/2*2/3-1/4
____________ =
4,5*2+0,4*5
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zad 1.
zad 2.
4 1/2*2/3-1/4
4,5*2+0,4*5