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z+273+166-366=177 raspuns​

Răspuns :

z+273+166=177+366

z+273+166=543

z+273=543-166

z+273=377

z=377-273

z=104

Z+273+166-366=177

Z+273+166=177+366

Z+273+166=543

Z+273=543-166

Z+273=377

Z=377-273

Z=104