Răspunsuri

2014-10-02T20:17:45+03:00
Ab cu bara deasupra=4x(a+b) unde a=1 si b=2
12=4x(1+2)      ab cu bara deasupra sunt nr de forma ab=10xa+1xb
4 4 4
2014-10-03T00:09:22+03:00
4x(1+2)=12
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3 4 3