October 2018 1 21 Report

OBLICZ !

a) 2x + 3y + 4x + 5y =

b) m + 3n + 4m + 3n =

c) 8k + 5u - 2k - 3u =

d) 11a + 8x - a - 7x =

e) 4b + 9c + 8d - 3b - c + d =

f) 3x + 5y -1 - 2x - y =

g) 4a - 5b - 2c - 2h + 3c + 8a =

Przykład: a + 3a +1 = 4a + 1


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