Just relax when you study mathematics and listen to relaxation music.<br />And don't worry about the test God be with you<br />当你学习数学和听放松音乐时，放松一下。<br />不要担心神与你同在的考验<br />Follow our channel in the study lo-fi for other subjects<br />关注我们其他科目的学习日志中的频道
