Write the root number: first draw a short diagonal line in the upper right corner of the middle of the grid, then draw a lower right diagonal line in the stroke, and draw a long diagonal line in the upper right of the same stroke, and then draw a horizontal line with moderate length near the top of the grid according to your own needs, which is not enough.
Extended data:
There are many ways to type the root sign (√ ~) by computer:
① The best and simplest way is to right-click on the small keyboard of the floating language bar on the desktop and select mathematical symbols, and there will be √√ in the soft keyboard. Input directly from the keyboard, the method is as follows:
② Hold down the shift key (Alt key) with your left hand, press the keypad 4 1420 with your right hand in turn, and release your hands, and the root sign (√) will come out.
Similarly, pressing 178 is the square symbol (? ) According to 179 is the cubic number (? ) 2 15 is the multiplication symbol (×), 247 is the division symbol (), 176 is the degree (), and there are many mathematical and special symbols to input.
Baidu encyclopedia-root number