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[(a-8 000): 50+9001:250=4 ​

Răspuns :

Răspuns:

[(a-8000):50+900]:250=4

[(a-8000):50+900]=250×4

(a-8000):50=1000-900

(a-8000):50=100

(a-8000)=100×50

a-8000=5000

a=8000+5000

a=13000