Math problem! I don't quite understand the meaning of the problem~ In order to provide a frame for a photo of 29cm in length and 22cm in width, the width of the four sides of the frame should be equal, and the area occupied by the frame is one fourth of that of the photo. How many centimeters should the width of the frame be? Such as the title.

Math problem! I don't quite understand the meaning of the problem~ In order to provide a frame for a photo of 29cm in length and 22cm in width, the width of the four sides of the frame should be equal, and the area occupied by the frame is one fourth of that of the photo. How many centimeters should the width of the frame be? Such as the title.

Let the width be X
(29-2x)(33-2x)=(1-1/4)*29*22

What is ETF? What is ETF connection?

In addition, ETF (escape the fate) is the name of a rock band in Las Vegas, Nevada. ETF (European Training Foundation) is the European Union Training Fund
ETF feeder fund is essentially a kind of open-end fund. Its subscription, purchase and redemption methods and channels are exactly the same as ordinary open-end funds. Its characteristics are that the investment targets of ordinary open-end funds and ETFs are stocks, fixed income assets and other assets, The vast majority of ETF linked funds are invested in their underlying ETF funds (generally, they invest no less than 90% of their positions in the underlying ETF funds). Such funds are also called "shadow funds" and "replication funds"

What do you mean the network connection error is 711

You need to change the view mode of the control panel to see the management service in the upper left corner. If it doesn't work, you can try this. 1. Right click my computer, and then press manage

What do you mean 12% local connection

You can see it in task manager > networking
If your network card is 100Mbps, 12% means 100Mbps * 12% = XXX Mbps
I'm poor at math（