zad1 . Przepisz podane wyrazenia zaznacz w jednakowy sposob wyrazy podobne i zredukuj je.. a) -2+3xy-2-xy+2xy = .. b)2g+3gk+2g-5gk-3g= ... c) mn+m+n-mn+n+m =... d) 2x+3y-2xy+4x+5y=... e) 2ab-3ac+4bc+4ab+5ac-2bc+9=... f) xy+4xy-5+xy+6-4xy
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a) -2+3xy-2-xy+2xy = 3xy
b)2g+3gk+2g-5gk-3g= g-2gk
c) mn+m+n-mn+n+m = 2m+2n
d) 2x+3y-2xy+4x+5y= 6x+8y-2xy
e) 2ab-3ac+4bc+4ab+5ac-2bc+9= 6ab+2ac+2bc+9
f) xy+4xy-5+xy+6-4xy= 2xy+1