Question

Amandoua probleme multumesc

Answer 1

1ora (60 min)=exercitii si probleme
30 min=exercitii
30 min =probleme
1 exercitiu=5min
1problema=10 mun
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exercitii=? probleme=?

30 min. pentru exercitii=> 30:5=6.....( in 30 min. a rezolvat 6 exercitii)

30 min.pentru probleme=>30:10=3...( in 30 min.a rezolvat 3 probleme)

intr-o ora a rezolvat 6 exercitii si 3 probleme....(6+3=9 ex.si pr.)