January 2019 1 13 Report
Wykonaj dodawanie lub odejmowanie i zrudkuj wyrazu podobne
a) (4x-2)+(6x-8)
b) (4x-2)+(12x-15)
c) (8x-2)-(12x+4)
d) (6x-8)-(2x+5)
e) (6x-8+2x)-(6x-4)
f) (12x-8x)-(4x-12x)
2 wykonaj mnożenia jednomainów A) 2xy razy 5x
b)12ab x 4a
c)8xy x (-5)xy
d) 6ad x (-5)dxa
e)7axy x (-2)xay
f) 12xy x (-3)xy

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