+0  
 
+5
501
4
avatar+1832 

I want to understanf this concept especially (sf - si)^2 

 

 Jan 6, 2016
 #1
avatar+8581 
0

I like your hand writting!

 Jan 6, 2016
 #2
avatar+1832 
0

haha thank you Hayley1, I always thought that my hand writing is ugly 

 Jan 6, 2016
 #3
avatar+8581 
0

Nahh. I like it! But, I don't know how to do what your asking for :(

 Jan 6, 2016
 #4
avatar+1832 
0

No problem, 

waiting fo Alan.  

 Jan 6, 2016

38 Online Users

avatar
avatar