October 2018 2 25 Report

Wyrażenia algebraiczne ;/

1. Przekształć iloczyny na sumy ;

a) 1/2 (3a-2)

b)2/3 (1,5 + 3x)

c) k (3 l + 2 m

d) -p (r-5s)

2. Wykonaj działania

a) 6( x-4) -2

b) 2(x + 1 ) - 3 (x-1)

c) -3 (y -2 ) + 4 (y+2 )

d) 5 (x - y -1 ) - 4 ( x + 2 )

e) 2 (3a + b ) - 2 (a-b)

f) 1/2 (4 x -4 ) - 2x

g) x (x -1) - 3 (x do potegi drugiej - x )

h) 5a ( a-3 ) - 3a (a-5)

i) 3x (x + 1/3 y ) - 2y ( 1/2 x - 1/2 )


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