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(a+5730:30)-248
-----------------------------------=94
413:7-(681+417x28-12306)
Pls dau coroana​


Răspuns :

(a+5730:30)-248=94

(a+191)-248=94

a+191=248+94

a+191=342

a=342-191

a=151

413:7-(681+417×28-12306)=

413:7-(681+11676-12306)=

413:7-(12357-12306)=

413:7-51=

59-51=

8