Odpowiedź:
a) 9m-7m²-3n
b) 1,5x-0,9y-1,9
a) 1x+5y-2
b) -2x²-xy+4xy-8y²
c) x³+3x²-5x-2x³+x²+12= -x³+4x²-5x+12
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Odpowiedź:
a) 9m-7m²-3n
b) 1,5x-0,9y-1,9
a) 1x+5y-2
b) -2x²-xy+4xy-8y²
c) x³+3x²-5x-2x³+x²+12= -x³+4x²-5x+12