About the writing of hiragana: I have seen two kinds of writing methods: ki and SO. How should I write them?

き Usually write with three strokes, and the teacher also teaches three strokes when teaching. Sometimes, in order to write beautifully, some people are used to writing with four strokes, no matter what they write, as long as they can be recognized. そ. The same is true. Under normal circumstances, it should be three strokes. Some people even write a stroke just to look good, just like the cursive script of China's calligraphy. Under normal circumstances, there are three strokes.