高校数学C 複素数平面クイズ
10-question complex plane basics
20-question coordinates and complex numbers
20-question modulus and conjugates
20-question addition, subtraction, and vectors
20-question multiplication, rotation, and scaling
20-question polar form and argument
20-question powers and De Moivre style practice
30-question complex number equations
50-question loci and geometry
100-question comprehensive review
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