Chỉ số giá hàng tuêy dùng ở VN tăng khoảng 20% mỗi năm trong giai đoạn 1992-1995 câu hỏi này thuộc

import math

x=int(input("enter a number: "))

print (math.sqrt(math.fabs(

One of the benefits of working with chlorinated polyvinyl chloride (CPVC) pipe is that it can be cut with a variety of different tools that don’t require any electricity or heat. However, different cutting methods are preferred over others, depending on the application.

When cutting CPVC pipe, it is important to make a square, flat cut. An uneven cut limits the bonding area and weakens the fitting.

To help you make the best possible cut, we’ve put together the following dos and don’ts when cutting CPVC pipe in different situations.

Don’t get what you’re asking

Explanation: