Răspunsuri

  • ddn
  • Ambiţios
2014-10-25T16:30:43+03:00
20:5=4. 7\4×3/7 se simplifica si vine 3/4 1/3×(1/4+1/5)=1/12+1/15. La final vine 4×(3/4-10x/9)=1/12+1/15 si calculezi