Răspunsuri

2014-09-27T12:57:56+03:00
34+50x100:(28:a+6)=42316:149
samd se tot trec in partea cealalta cu operatie schimbata
28:a+6=(248-34)x5000
28:a=214x5000-6
a=(214x5000-6)x28
[48+50x100:(28:a+6)-14]=42316:[(50-4x5)+(143-4x6)] 48+5000:(28:a+6)-14=42316:149 5000:(28:a+6)=284-34 28:a+6=5000:250 28:a=20-6 a=28:14 a=2