September 2018 2 30 Report

wykonaj działania :

a) 6x+15x=

b)-2x+6x=

c)-8x+3x=

d) -12a-20a=

e)-3c+2c-20c=

f)-3t-10t+11t=

g)-5t-(-4t)-7t=

h)-k-k-(-k)+(-8k)=

i:)-(-3m)-2m+(-4m) dla :

a x=1

bx=0,5

c x=2

d a=1

e c=2

f k(-2)

g t(-3)

h k=2

i m=(-0,5)

Daje naj .. :) Szybko


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