October 2018 1 16 Report
Matematyka ! :D 2 gimnazjum zbiór zadań ,. szybko ! : ) zadanie 3 strona 54
a.) ( 4x^3 + 7x - 3) + (^3 + 3 - x )
b.) (7-x^2y)+( 2+2xy +4x^2y)
c.) ( 0,4x^n - 0,2y^n - 1) + ( 1/5 y ^n - 2/5x^n+2)

zadanie 4 strona 54
a.) (2x^3 + 3x + 7) - (5x^3 - 4x +6)
b.) (2xy + 3,5x^2) - ( -1 1/2x^2 + 5xy) +10
c.) -(4x-5x^2 - 9) - (- 5x^2 +4x +4)
d.) (y^4 + 2b^2y^2 + 4 by^3) - (- 3y^4 + 6by^3 + 13b^2y^2
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