January 2019 0 11 Report
Wykonaj redukcje wyrazów podobnych:
a) 7x^2-6x-2xy-2y^2+12x-6xy+5y=
b) 14x^2y-7xy+4xy-12x^2y-4xy^2=
c) ab-2a^2b+10ab+8a^2b-7ab+6=
d) 6x^2-2xy+5y+2x^2-xy-3y-5x^2+2xy+y=
e) 8x^2-3x+1-5x^2+3+4x-2+4x^2-6x+6=
f) 12ab-4a^2+7b^2-5ab-3b^2+3a+ab^2=
g)-0,3x+0,2y-0,8x-0,9y=
h) 1,3a-2,5b-3,1a+2b=
i) 14,3ab-12,8x+3,9ab-6,7x=
j)123a-45b+44a+67b=


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