Answers

2016-06-20T21:29:25+08:00
It is a sign or symbol that is used to separate the quantities from another expression and is also used as multiplication symbol ( )
1 5 1
2016-06-20T21:54:53+08:00
The Parenthesis Is Use When You Have An Enclosing Problems And Using Commas For Sepparating :)
0