December 2018 1 2K Report
Zapisz wyrażenia, nie używając nawiasów, a następnie zredukuj wyrazy podobne.
a. 8a+(4a-7)=
b. 5a-(3a+6)=
c.-8m+(2n-m)=
d.-3p-(6r-4p)=
e.2x-7y+(5x-2y)=
f. -2x+8y-(6x-7y)=
g. (2u-6v)+(6v-5)=
h.(8u+3v)-(2u+5v)=
i. (-a-4b)+(5b-a)=
j. (7a-b)-(4a-2b)=
Dam naj. :****

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