August 2018 1 8 Report
Chcę tylko dobre wyniki, jeśli ktoś się waha, to lepiej, żeby wgl do tego nie podchodził ;)
a) (-4x+16y-4):4+(2x-y)(2x+y)=
b) (5x-1)(3x+2)-(2x+1)(3x-2)=
c) 3b (a+b)-(2a+b)(a-b)=
d) (4x+1)(3x-1)+2x(x-3)=


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