thanglongstudy.comthanglongstudy.com/wp-content/uploads/2014/03/toan2.pdf19 + Theo tam giác vuông A' Al ta cóÃkž AA' 12a 12 — 19 a. V4y khoång cách k/c[M, (A' BC)) ¥41< 19
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.