October 2018 2 15 Report

uprość wyrażenia algebraiczne :

a) 3*(-7+1)-(-7) = -11

3*(1/4 + 1) -1/4 =3,5

b) -4*(-2*5)+5= 45

-4*(-2* 1/2)+1/2=4,5

-4*(-2*(-8)) + (-8) + -72


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