a + b
a + b
题目描述
Your task is to calculate the sum of two nembers.
输入说明
Input contains an integer N in the first line,and then n lines follows;Each line contains
two nembers.
输出说明
For each group of input nembers,you should output their sum with the accuracy of two decimal digits after the point in one line ,and you must notice that there is a blank between outputs;
样例
输入
1
839.08 999.91
输出
1838.99