September 2018 2 23 Report
Temat ; Liczby wymierne -powtórzenie .

Oblicz ;

a) (-7)*(21-18)+2 =
b) (10-5)*(-4)-15 =
c)4*(7-15)+3*(10-12) =
d) (6-14) / ( -4)+(-25)/(-3-2)=

/ to jest dzielenie .

Proszę o pomoc Daam naaj ; )
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