Calculate 2 √ 12 (3 √ 48-4 √ 1 / 8-3 √ 27)

Calculate 2 √ 12 (3 √ 48-4 √ 1 / 8-3 √ 27)

2 √ 12 (3 √ 48-4 √ 1 / 8-3 √ 27)
=4√3（12√3-√2-9√3）
= 4√3（3√3-√2）
=36-12√6

27 under root - 1 / 3 under root + 12 under root

27 under root - 1 / 3 under root + 12 under root
=3 radical 3-1 / 3 radical 3 + 2 radical 3
=14 / 3 radical 3

There are several versions of the eighth grade mathematics in the textbook. Which is the edition of Beijing Normal University?
1. ZJ version
Version 2. R
Version 3.sk

There is no Beijing Normal University version among the three
1. Zhejiang Education
2. Human education
3. Suke
Go to dangdang.com to see dangdangyou (BS is Beijing Normal University)