October 2018 2 21 Report

Zredukuj wyrażenia podobne

a) x + 7y - 8x + 14y

b) 2,3x + 11,2 + 1,4x - 7

c) a + 4 - 25x - 9 + x

d) 7t - 35w - 6t - 4t - 8w

e) 02x + 3,1y + 7,7x - 0,25y

f) 10 - 31x - 21y + 7 - x

g) -2a - 4a² - 6 + 9a² + a


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