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a -300=700
b+236=517
c-214=609
821-d=317
246+ e =558
636-f=443


Răspuns :

a) a-300=700/+300
a=1000


b) b+236=517/-236

b) =281


c) c-214=609/+214
c=823



d) 821-d=317
d=504


e) 246+e=558
e=312


f) 636-f=443
f=193




Sper ca te am ajutat