2023年6月の記事一覧
June 25, 2023: Studying Maths (13), Graphs (2)（数学の勉強（１３）、グラフ（２））
I had been doing various types of graphs for the last ten days. Quadratic and reciprocal graphs were not so difficult to do. But the Sin and Cos graphs were so difficult that I could not answer the pr
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June ２, 2023: Studying Maths (11), Algebra (6)（数学の勉強(11)、代数(6）)
I had been doing sequences, proofs, and direct and inverse proportions for the last ten days. As expected, they were not easy to understand, and I needed more time to master them than before. Neverthe
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