13.36? 14. 1 15. 14 16.y3 & lt; y 1 & lt; y2? 17.7/6 18(√5- 1/2)? M or √5m-2m√ This is the root sign.
I'm so tired ~ ~ I really don't want to fight. I'm so tired. ...
What should Chinese medicine learn?
Traditional Chinese medicine is a medical science that studies human physiology and pathology, disease diagnosis, preven