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b) 1i 1/2x - 2zy - 1/3xy
c) -3x² -y²
d) -2x² + 5x
e) -3x + 3 i 1/2
f) -6ab -4a
licze na naj :):):)
b.1 1/2 x-2zy-1/3xy
c. -3x(do kwadratu)- 3y(do kwadratu)
d.-1x
e.-3x+ 3 1/2
f.6ab-4a