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300-((63x5-300:v)x2-171)=41

ude sut 2 paranteze rotunde prima este paranteza patrata si ultima parateza tot patrata este


Răspuns :

300-[(315-300:v)*2-171]=41

(315-300:v)*2-171=300-41

(315-300:v)*2-171=259

(315-300:v)*2=259+171

(315-300:v)*2=430

315-300:v=430:2

315-300:v=215

300:v=315-215

300:v=100

v=300:100

v=3