November 2018 2 12 Report

Oblicz:

a) 3x(kwadratowe)+8y-5x(kwadratowe)+9y=

b) -4ab+12c-18c+30ab=

c) 0,2t+0,8k+1,9t-0,3k=

Potrzebuje na teraz prosze pomóżcie dam naj ;)


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