小2〜中学生 部首クイズ
10-question radical basics mix
20-question basic left-side radicals
20-question top, bottom, and surrounding radicals
20-question same-radical kanji grouping
20-question meaning clue practice
20-question radical position practice
20-question similar-looking radicals
30-question elementary review mix
50-question junior high standard mix
100-question radical master challenge
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