The number 1 is written from the upper right corner to the lower left corner in the Japanese grid. This is not simply connecting two corners.

The number 2 touches the line on the left from the pen, then touches the line up and right, slightly forming a semicircle, diagonally to the lower left corner, and horizontally touching the line.

Extended data:

Arabic numeral writing rules

1, the "0" before the decimal point of pure decimal cannot be omitted. Whether it is narrative or chart, the "0" before the decimal point of pure decimal cannot be omitted, and numbers in the formats of ".27, .39" cannot appear.

2. Arabic numerals cannot be used with chinese numerals except "ten thousand", "one hundred million" and Chinese symbols with prefix SI. For example,13 million can be rewritten as13 million, but it cannot be written as13 million.

For numbers with 3, 4 or more digits, three-digit segmentation method should be adopted when writing.

Baidu Encyclopedia-Arabic numerals