November 2018 2 29 Report

1. Oblicz wartość liczbową wyrażenia 4x do potęgi 2 - 5y+3x dla x=-2, y=0,2

2. Wykonaj działania
a) (4a-36+3)+(-5a-2b+4)

b) (2x+4y-7) - (-8x+6y-3)

c) (4x+3y)-(11x-3y)+(5x-10)
d) 6(1,5,+3p=3,5)

e) 4(2a-b)-3(5b-a)

3. Wykonaj wskazane działania
a) x(do potegi 2)+6x(do potegi 2)-3x(do potegi 2)-x(do potegi 2)-7x(do potegi 2)

b) (3y-4)+(6y-6)
c) (8a+3)-(9-4a)
d) 8(-4x+2y-5)
e) 3(3x-y)+(-2x+2y)-(-3x-5)
f) -6(2x-2y)-2(5x-3y)


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