September 2018 1 12 Report

prosze o pline rozwiazanie !!! na teraz !!!!! prosze i z gory dziekuje. ; *
a) (3x+5)+(7x-2y+6)+(-x+y-1)=.....
b) -(4a+2b-1)+(-3a-3b+4)-(6a+3)=...
c) -[-(3x+2y)]-(-2x-2y)+(-5x-3y)=...

d)6xy-(2xy+3y)+(-xy+4x-7y)=

zad.2

a. (3x-2y+1)+2 razy ( x+3y-2) = ..

b . (-3)razy (-2a+3b-4)-4razy (a+ jedna druga b - 2 ) = ...

c . ( 4x do potengi 2 + 1,5 x -2 ) razy (-2)+(-1,5) razy ( x do ponetgi 2 - 4x-1 ) =..

d. -5 razy ( 6ab -4b-2b+1) - 4,5 razy ( a-2ab+b-4) = ..


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