+0  
 
0
681
1
avatar

1,56 - x - 4,68 : 3 + x - a

 Jun 22, 2016
 #1
avatar
0

1,56 - x - 4,68 : 3 + x - a  = - a

 

Because - x + x = 0

And 1,56 - (4,68 : 3) = 0

 Jun 22, 2016

1 Online Users

avatar