August 2018 1 10 Report
1) a) 3x-5 dla x=-3 ...
b) 2m-3n dla m=0 i n=jedna trzecia


2)
a)
1. 3x+2x=
2. 6x-x=
3. -8x+5x=
x-4x=
b) 2a+1+a=
4a-5a-3=
-5a+7b+6a=
6b-6a+2b=
c)
4 razy 7y =
12y :6=
(-8y) razy jedna druga =
10a :(-2)=

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