Răspunsuri

2014-06-02T11:30:30+03:00
1.(3/6+2/6)/(5/6)=(5/6)/(5/6)=1
2.4/9*45=4*5=20
3.60%*x=120
   60/100*x=120
   6/10*x=120
   3/5*x=120
   3x/5=120
   3x=600
   x=200
4.18/24=x 
    9/12=x
    3/4=x | :6
    (3/4)/6=x/6
     3/(4*6)=x/6
     3/24=x/6
     1/8=x/6

1 5 1
2014-06-02T11:38:48+03:00
2. 4/9*45 (simplificam 9 cu 45) = 4*5=20
3.60/100*x=120
x=120*100 / 60
x= 200
4. 18/24=x/6  ...  18/24=3/4
x=3*6 / 4
x=18/4 ... x=4.5
1. 1/2+1/3=5/6.... (5/6)/(5/6)=1