7641: a + b
内存限制：128 MB
时间限制：1.000 S
评测方式：文本比较
命题人：
提交：2
解决：2
题目描述
Your task is to calculate the sum of two nembers.
输入
Input contains an integer N in the first line,and then n lines follows;Each line contains
two nembers.
two nembers.
输出
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 复制
1
839.08 999.91样例输出 复制
1838.99