@Kittmin 언어외국어는 다 그냥 거기서거기고..수리는 개념원리 RPM 쎈 순으로 풀면됨

Default Widget

This is Sidebar 1. You can edit the content that appears here by visiting your Widgets panel and modifying the current widgets in Sidebar 1. Or, if you want to be a true ninja, you can add your own content to this sidebar by using the appropriate hooks.