Oblicz: a) 7/6 + (-5/4 - 4/3)= b) -(-2 2/3) + 7/15= c) 1 5/8 - (-2 2/3 + 0.25)= d) 1 1/5 - 3 7/8 - 0,15= e) 3 1/2 - 3 1/6 : (2 1/9)= f) (-1 1/7*1 11/24) : 3/5=
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a)=7/6+(-15/12-16/12)=7/6-31/12=14/12-31/12=-17/12=-1 5/12 b)=-(-2 2/3)+7/15=8/3+7/15=40/15+7/15=47/15=3 3/15 c)=13/8-(-8/3+1/4)=13/8-(-32/12=3/12)=13/8-(-29/12)=13/8=29/12=39/24+58/24=97/24=4 1/24 d)=1,2-3,875-0,15=-2,825 e)=7/2-19/6*9/19=7/2-3/2=4/2=2 f)=(-8/7*35/24)*5/3=-1*5/3=-5/3=-1 2/3 ps.pa,mietaj ze tam gdzie mnozenie to skracaj