September 2018 2 12 Report
Zapisz krócej :
a)6x+4x+5x=
b)2a+5a-3a=
c)3b+2b-5b=
d)3b+8b=
e)17x-9x=
f)4y+(-3y)=
g)8z-15z=
h)6x-2x+1½x=
i)5t-7t-(-2,5t)=
prosze o rozwiązanie zadanie to na jutro WAŻNE !:]]]]

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