"3" is like an ear. When you start writing, don't touch the line. You touch the line up, then touch the line down, slightly bend into a semicircle in the middle, turn to the lower right above the dotted line, touch the line down, and finally touch the line up. ?

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Some points to pay attention to when writing. : 1 Keep the correct writing posture, naturally put your feet flat on the ground, sit up straight, keep your head straight, keep your chest at a fist's distance from the table, straighten the paper, gently hold the paper in your left hand and hold the pen in your right hand. 2. Pay attention to the writing format and stroke order, and write numbers. Generally, the "Tian Zige" book is used. The font should be filled in the upper and lower squares on the left (that is, the first "day") and then the writing order should be explained according to each number, that is, where to start using the pen, in what direction, how to turn the corner, etc.

3 is a natural number, an odd number and a positive integer between 2 and 4, and is the second prime number starting from 0. 3 is the third nonzero natural number.

Nature:

3 is the second smallest prime number.

Is the only prime number whose square is negative 1

Is it the only other prime number plus 1 or a prime number?

It is also one of only one pair of bipartite prime numbers.

The second odd number, the last one is 1, and the next one is 5.

The second prime number. The last one is 2, and the next one is 5.

How to write the other nine numbers:

1. How to write "0": Find the upper left grid and start writing at a slightly right position in the middle of the upper edge line; Obliquely bend to the left, draw to the lower left frame, and stick it above the middle of the left line; Then bend down to the right and draw to the left in the middle of the bottom line; Bend to the right again until the upper left grid is attached to the lower position in the middle of the vertical center line; Then bend to the left and return to the pen to collect the pen.

2. Writing method of "1":Write in the left half of Tian Zige, start from the position to the left of the vertical center line, draw a straight line to the lower left, close the pen at the lower edge, and close the pen at the position to the right of the left line.

3. How to write "2": Find the square in the upper left corner of Tian Zige, start from the middle of the left line, and draw a curve upward to the middle of the upper line; Draw a bend to the right to the middle of the vertical center line; Incline to the left until you turn at the top of the lower left corner; Then draw a horizontal line to the right along the bottom line and write it on the vertical center line to close the pen.

4. How to write "4": It was written with two strokes. The first stroke: start the stroke from the middle of the upper edge line to the left, draw a straight line to the lower left, write an angle below the horizontal center line, draw a horizontal line to the right, and close the stroke at the vertical center line. The second stroke: start from the left position of the vertical center line, draw a straight line to the left and lower, and close the stroke at the left position in the middle of the lower edge line.

5. How to write "5": It was written with two strokes. The first stroke: start from the middle of the upper edge line to the left, draw a straight line to the lower left, and reach the intersection of the left line and the horizontal center line; Draw a small bend to the right, beyond the horizontal center line; Then turn right down to the middle of the lower left grid and the vertical center line; Then draw a bend to the left, to the middle of the lower sideline; Draw a curve to the left and close the pen slightly lower in the middle of the left line. The second stroke: start from a lower position than the first stroke, draw a horizontal line to the right, and touch the vertical center line to receive the stroke.

6. How to write "6": Start the pen a little bit to the right in the middle of the upper frame and draw a bend to the left, about to the middle of the left line of the lower left frame; Then bend down to the right to the middle of the lower sideline; Then bend to the right to the middle of the vertical center line; Then bend up to the left to the middle of the transverse center line; Then bend down to the left to form a circle, and then close the pen.

7. How to write "7": Start from the upper left corner, draw a horizontal line to the right next to the upper edge (don't overlap with the upper edge, otherwise you can't see clearly), turn at the vertical center line, draw a straight line to the lower left, and write until the lower edge is a little to the left.

8. How to write "8": Start the pen in the middle of the upper left grid and slightly above the vertical center line, draw a bend to the left and touch the middle of the upper edge line; Then draw a bend to the left, to the middle of the left line; Then to the lower right, through the middle position of the horizontal midline, to the middle position of the vertical midline of the lower left grid; Then draw a bend to the left, to the middle of the lower sideline; Draw a bend to the left, to the middle of the left line; Then draw diagonally to the upper right until you start to close the pen.

9. How to write "9": Start the pen a little above the middle of the vertical center line, draw a curve upwards and touch the middle of the upper edge line; Then draw a bend to the left, to the middle of the left line; Then draw a bend to the lower right to the middle of the horizontal center line; Draw a bend to the right and return the pen; Then draw a straight line from this point to the lower left, and write it to the middle left of the lower sideline to close the pen.