oblicz 3/5 : ( 1 1/2 - 3/4)
3/5:(1 1/2-3/4)=3/5: (1 2/4- 3/4)=3/5: 3/4=12/20:15/20=12/20*20/15= 4/5
3/5:(11/2-3/4)=(pierw obliczami w naiwasach
11/2-3/4=4,75
3/5:4,75=0,6:4,75=(w przybliżeniu)0,12631
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3/5:(1 1/2-3/4)=3/5: (1 2/4- 3/4)=3/5: 3/4=12/20:15/20=12/20*20/15= 4/5
3/5:(11/2-3/4)=(pierw obliczami w naiwasach
11/2-3/4=4,75
3/5:4,75=0,6:4,75=(w przybliżeniu)0,12631