#因数分解
May 6, 2023: Studying Maths (8), Algebra (3)（数学の勉強(8)、代数(3)）
For the last two weeks, I had been studying the factorisation of quadratics and the completion of the square. I enjoyed working on them. But they were so difficult that I needed time to follow them an
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April 11, 2023: Studying Maths (6), Algebra (1)（数学の勉強 (6)、代数（１））
For the last two weeks, I could not have had enough time to do math due to several reasons. In those weeks, I worked on five units: exponent laws, powers and roots, basics of algebra, factoring and su
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