January 2019 1 7 Report
Oblicz:
a) 4/5*(-5/6)=
b) - 7/12*(-4/7)=
c) - 9/12*(-24/15)=
d) - 1 3/5* 2 1/12=
e) - 6/13* 2 8/9=
f) - 8/9* 3 3,8=
g) - 1 1/7* 1 1/6=
h) - 2/3*(-1 1/8)=
i) - 9/14* 2 1/3=
DAJĘ NAJ (trzeba skracać i zamienić na niewłaściwe)

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