October 2018 1 19 Report

Redukcja wyrazów podobnych.
Oblicz :

a) 2/5 x + 3/7 x + x

b) 2 ( 3/4b + 0,6) - b

c) 2 (a - 3/8 w) - (a + 4/5 w)

d) 3k + 4k - 6k

e) 4,2 x - 5,1 x + 3x

f) 2 ( 1/3 b + 4) - b

g) 2/3 ( a - w) - 0,4 ( a + w )


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