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Dau 30 puncte+ coroana la urmatorul exercitiu!!Va rog!!!!Raspuns corect!!!!!!

10inmultit{x-10inmultit[362+10inmultit(24+24:4)]}=100, x=?.


Răspuns :

4830
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10x{X-10x[362+10x(24+24:4)]}=100

X-10x[362+10x(24+24:4)]=100:10=10
X-10x[362+10x30]=10
X-10x392=10
X-3920=10
X=10+3920
X=3930