August 2018 3 21 Report
Ta kreska będzie oznaczała ułamek :D:D /
Więc :zad.1
Oblicz.
a) 3/7+2/5=
b) 3/11:1/2=
c) 4/5+3/4=
d) 8/9-3/4=
e) 11/12-2/5=
f)5/9-1/2 =
Trzeba doprowadzić je do wspólnego mianownika :D:

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