September 2018 2 28 Report

Zapisz w postaci sumy algebraicznej:

a)-3(2x+7)

b)-4(a-b)

c)7(5-c)

d)-12(jedna trzecia-1/3+z)

e)a(a-b)

f)2a(3a-2)

g)-x(5y+x)

h)-2x(-2x-3+y)

i)(2x+6):2

j)(3x-12):3

k)(4x-8):(-2)

l)(10x+15):5


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