September 2018 2 62 Report

BARDZO PROSZE O POMOC! PILNE!

Polecenie: usun nawiasy i zredukuj wyrazy podobne

1. -2(3a + 5b) + 3(4b - 6a)

2. -7(x - 3y + 1/7z - 2) - 3(y + x + z) - 18y

3. 2(1/2a + 0,25b) - 4(1,25a - 3/4b) - a + b

4. -1/3(2,1x^2 - 4 i 1/5y^2 + y^2 +5x^2 + 6(2/3y^2 - 1 i 1/3x^2)

drugie zad. Doprowadz wyrazenia do najprostszej postaci

1. x(y + z - 1/2) - 5(x - 4xz - xy) + 5,5x

2. 6x(2x^4 + 3x^3 - 4x^2 - 2x) - 3x^2(x^3 + 6x^2 + 6x) + 30x#

3. 7(1 - y) - 7 [2x^2 - 5xy^2 - 6x( x^2 - 2y^2)] + 14x^2(1 - 3x)

^ - oznacza "do potegi"

prosze o pomoc


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