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(x-30 )-320×100=1000 va rogg repede!!!

Răspuns :

(x-30)-32000=1000
(x-30)=33000
x=33030
(x-30)-320•100=1000=>(x-30)-32000=1000=>x-30=1000+32000=>x-30=33000=>x=33000+30=>x=33030