Zredukuj wyrazy podobne:
a.-8c+c-5c+7,9c
b.17d+d-17d-d+62/7d
c.0,5e+11/2e-22/3+2/3e
d.a+x+x+a+x+a
Każdą z sum zapisz w prostszej postaci:
a.-2,5a+31/2a"+a-a"-0,5a
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a)= -4,1c
b)=62/7d
c)=6,66e-7 i 1/3
d)=3a+3x
a)=-3a+31/2a