Cevaplar

2013-01-16T21:10:15+02:00

2x+3=12

2x=12-3=9

x=4,5

 

3x+3-4=20

3x-1=20

3x=21

X=7...

1 3 1
2013-01-16T21:15:29+02:00

1/3 + 1/2 =5/6

 

1/2 +1/4 = 3/4

 
1 3 1