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

Răspuns :

[(a-8000):50+900]:250=4
[(a-8000):50+900]=4×250
[(a-8000):50]=1000-900
[(a-8000)]=100×50
a=8000+5000
a=13000
Dawidut25
(a-8000):50+900=4×250 treci in cealalta parte fiecare termen pana la a (adica intr-un fel mergi pe invers)
(a-8000):50=1000-900
(a-8000)=100×50
(a-8000)=5000
a=5000+8000 => a=13000

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