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[(500+500x25)-(5000+5000:25)]:x=780

Răspuns :

[(500+500x25)-(5000+5000:25)]:x=780
[(500+12500)-(5000+ 200 )]:x=780
[13000 -5200]:x=780
 7800 :x=780
x=7800 :780
x=10














[(500+500×25)-(5.000+5.000:25)]:x=780
[(500+12.500)-(5.000+200)]:x=780
(13.000-5.200):x=780
7.800:x=780
x=7.800:780
x=10