October 2018 2 20 Report

1. Doprowadź do najprostszej postaci. - GIMNAZJUM kl1.

a) 2(3a-4b+c)-5(3a+b-2c)

b) 7(x+2y-3z)+4(2x-3x-5z)

c) -3(-2a-4b-c)-6(a-2b-6c)

d) -5(2x+2y-6z)-(x-7y-3z)


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