a + b
说明
Your task is to calculate the sum of two nembers.输入格式
Input contains an integer N in the first line,and then n lines follows;Each line containstwo nembers.
输出格式
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;
1
839.08 999.911838.99