It’s easy to this math problem. A. work out B. find out C. look out

问题补充：

It’s easy to this math problem.

A. work out B. find out C. look out

答案：

解析：词义辨析。work out计算出；find out发现，查明；look out

向外看，小心。句意：算出这道数学题很容易。所以选A。