October 2018 1 8 Report

1. Zredukuj wyrazy podobne

a)10y + 2y - 5y

b)11z - 2x - z -6x

c) 2x - 4x - 5x + x

d)2x + 3y + x - 5y

e)5x - 2y - 3x - 5y

f)10ab + 3a - 2ab - 7a

g)ab + 2bc +4ab - 5bc

h)-2a + b - a - 2b +3a

i)-ab - b(kwadrat) + 3ab - 2ab

j)5x + (2x - y ) - (3x + 4y)

k)(2y + 3z) - (z - y) + (y - 4z)

2. Uporządkuj jednomiany

a) x * (-7) * y

b) 5 * a * a

c) -12x * 0.1xy

d) -n * 8 * (-3mn)

e) 3x(do 5)y * 2x(do 3)y(do 7)

f) 5x(do 2)y * 5xy(do 2)


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