+0  
 
0
615
2
avatar

what is h–5≥3

 Apr 21, 2017
 #1
avatar+470 
+3

h–5≥3

 +5  +5 

h≥8

 Apr 21, 2017
 #2
avatar
0

what is 

z+1≤7

 Apr 21, 2017

0 Online Users