This math problems is not so --------(easy) i can work it out easily

问题描述:

This math problems is not so --------(easy) i can work it out easily

This math problem is not so --difficult/uneasy------(easy) i can work it out easily
这个数学问题不是如此难,我能很容易地把它算出来.(根据句意应该填easy的反义词)