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https://cdn.shopify.com/s/files/1/0771/6628/0860/articles/1004a_a954a525-97c6-4aeb-acbb-f49d1bdb9b21.svg?v=1791117884 【立方体】向かい合う頂点まで辺だけを進む最短経路を数える問題 https://tetokika.com/blogs/%E6%9C%AC%E6%97%A5%E3%81%AE%E7%AB%8B%E4%BD%93%E5%9B%B3%E5%BD%A2/%E7%AB%8B%E4%BD%93%E3%81%AE%E7%A7%BB%E5%8B%95-%E7%9B%B4%E6%96%B9%E4%BD%93%E3%82%923%E6%96%B9%E5%90%91%E3%81%AB%E5%8B%95%E3%81%8B%E3%81%97%E3%81%9F%E3%81%A8%E3%81%8D%E3%81%AE%E9%87%8D%E3%81%AA%E3%82%8A%E4%BD%93%E7%A9%8D%E3%82%92%E6%B1%82%E3%82%81%E3%82%8B%E5%95%8F%E9%A1%8C 2026-10-13T19:52:54+09:00 weekly https://cdn.shopify.com/s/files/1/0771/6628/0860/articles/1005a.svg?v=1791200901 【立体の移動】直方体を3方向に動かしたときの重なり体積を求める問題 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【立方体の切断】動く点で変わる切断面から三角形の面積を考える問題 https://tetokika.com/blogs/%E6%9C%AC%E6%97%A5%E3%81%AE%E7%AB%8B%E4%BD%93%E5%9B%B3%E5%BD%A2/%E5%B1%95%E9%96%8B%E5%9B%B3-%E5%9B%9B%E8%A7%92%E6%9F%B1%E3%81%AE%E5%B1%95%E9%96%8B%E5%9B%B3%E3%81%8B%E3%82%89%E7%B5%84%E3%81%BF%E7%AB%8B%E3%81%A6%E3%81%9F%E3%81%A8%E3%81%8D%E3%81%AB%E9%87%8D%E3%81%AA%E3%82%8B%E8%BE%BA%E3%82%92%E8%80%83%E3%81%88%E3%82%8B%E5%95%8F%E9%A1%8C 2026-10-13T22:29:02+09:00 weekly https://cdn.shopify.com/s/files/1/0771/6628/0860/articles/1008a_514ed2c0-c2bb-4d01-b98f-557e9dad6afb.svg?v=1791422273 【展開図】四角柱の展開図から組み立てたときに重なる辺を考える問題 https://tetokika.com/blogs/%E6%9C%AC%E6%97%A5%E3%81%AE%E7%AB%8B%E4%BD%93%E5%9B%B3%E5%BD%A2/%E6%9C%80%E7%9F%AD%E8%B7%9D%E9%9B%A2-%E7%9B%B4%E6%96%B9%E4%BD%93%E3%81%AE%E8%BE%BA%E3%81%A0%E3%81%91%E3%82%92%E9%80%B2%E3%82%93%E3%81%A72%E7%82%B9%E3%82%92%E7%B5%90%E3%81%B6%E6%9C%80%E7%9F%AD%E7%B5%8C%E8%B7%AF%E3%82%92%E6%AF%94%E3%81%B9%E3%82%8B%E5%95%8F%E9%A1%8C 2026-10-13T19:53:17+09:00 weekly 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https://tetokika.com/blogs/%E4%B8%AD%E5%AD%A6%E5%8F%97%E9%A8%93%E3%81%AE%E3%81%B2%E3%82%82%E3%81%A8%E3%81%8D%E5%B8%96/%E5%B8%B0%E5%9B%BD%E5%AD%90%E5%A5%B3%E3%81%AE%E4%B8%AD%E5%AD%A6%E5%8F%97%E9%A8%93%E3%81%AF%E3%81%A9%E3%81%AE%E3%83%AC%E3%83%99%E3%83%AB-%E8%8B%B1%E8%AA%9E%E5%8A%9B-%E5%AD%A6%E5%8A%9B-%E5%85%A5%E8%A9%A6%E6%96%B9%E5%BC%8F%E3%82%92%E6%AF%94%E8%BC%83 2026-10-14T10:39:21+09:00 weekly https://tetokika.com/blogs/%E6%9C%AC%E6%97%A5%E3%81%AE%E7%AB%8B%E4%BD%93%E5%9B%B3%E5%BD%A2/%E7%AB%8B%E6%96%B9%E4%BD%93-%E5%AF%BE%E8%A7%92%E7%B7%9A%E4%B8%8A%E3%81%AE%E7%82%B9%E3%81%8B%E3%82%892%E3%81%A4%E3%81%AE%E5%9B%9B%E8%A7%92%E3%81%99%E3%81%84%E3%81%AE%E4%BD%93%E7%A9%8D%E6%AF%94%E3%81%A8%E4%BD%93%E7%A9%8D%E3%82%92%E6%B1%82%E3%82%81%E3%82%8B%E5%95%8F%E9%A1%8C 2026-10-14T11:14:14+09:00 weekly https://cdn.shopify.com/s/files/1/0771/6628/0860/articles/20261014_a_2825675d-0bb5-4dab-9d16-a5fcb253ce41.svg?v=1791944047 【立方体】対角線上の点から2つの四角すいの体積比と体積を求める問題 https://tetokika.com/blogs/%E4%B8%AD%E5%AD%A6%E5%8F%97%E9%A8%93%E3%81%AE%E3%81%B2%E3%82%82%E3%81%A8%E3%81%8D%E5%B8%96/%E7%81%98%E4%B8%AD%E3%81%AE%E7%AE%97%E6%95%B0-%E8%A8%88%E7%AE%97%E5%95%8F%E9%A1%8C%E3%81%AF%E3%81%A9%E3%81%86%E5%AF%BE%E7%AD%96%E3%81%99%E3%82%8B-2026%E5%B9%B4%E5%85%A5%E8%A9%A6%E3%81%AE%E7%89%B9%E5%BE%B4%E3%81%A8%E5%AE%B6%E5%BA%AD%E3%81%A7%E3%81%AE%E7%B7%B4%E7%BF%92%E6%B3%95 2026-10-14T20:17:32+09:00 weekly https://tetokika.com/blogs/%E6%9C%AC%E6%97%A5%E3%81%AE%E7%AB%8B%E4%BD%93%E5%9B%B3%E5%BD%A2/%E7%A9%8D%E3%81%BF%E6%9C%A8-3%E6%AE%B5%E3%81%AB%E7%A9%8D%E3%82%93%E3%81%A014%E5%80%8B%E3%81%AE%E7%AB%8B%E6%96%B9%E4%BD%93%E3%82%922%E8%89%B2%E3%81%AB%E5%A1%97%E3%82%8A%E5%88%86%E3%81%91%E3%82%8B%E5%95%8F%E9%A1%8C 2026-10-14T12:34:28+09:00 weekly https://cdn.shopify.com/s/files/1/0771/6628/0860/articles/01.svg?v=1791948868 【積み木】3段に積んだ14個の立方体を2色に塗り分ける問題 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https://tetokika.com/blogs/%E6%9C%AC%E6%97%A5%E3%81%AE%E7%AB%8B%E4%BD%93%E5%9B%B3%E5%BD%A2/%E8%A7%92%E3%81%99%E3%81%84-%E6%A8%AA%E5%90%91%E3%81%8D%E3%81%AE%E5%9B%9B%E8%A7%92%E3%81%99%E3%81%84%E3%81%A7%E5%BA%95%E9%9D%A2%E3%81%AE%E5%8F%B0%E5%BD%A2%E3%82%92%E8%A6%8B%E3%81%A4%E3%81%91%E3%81%A6%E4%BD%93%E7%A9%8D%E3%82%92%E6%B1%82%E3%82%81%E3%82%8B%E6%96%B9%E6%B3%95 2026-11-02T03:17:01+09:00 weekly https://cdn.shopify.com/s/files/1/0771/6628/0860/articles/03_16.svg?v=1793557021 【角すい】横向きの四角すいで底面の台形を見つけて体積を求める方法 https://tetokika.com/blogs/%E6%9C%AC%E6%97%A5%E3%81%AE%E7%AB%8B%E4%BD%93%E5%9B%B3%E5%BD%A2/%E5%88%87%E6%96%AD-%E4%B8%89%E8%A7%92%E3%81%99%E3%81%84%E3%81%AE%E8%BE%BA%E4%B8%8A%E3%81%AE2%E7%82%B9%E3%82%92%E9%80%9A%E3%82%8A-%E5%88%A5%E3%81%AE%E8%BE%BA%E3%81%AB%E5%B9%B3%E8%A1%8C%E3%81%AA%E5%B9%B3%E9%9D%A2%E3%81%A7%E5%88%87%E3%82%8B%E6%96%AD%E9%9D%A2%E7%A9%8D 2026-11-02T03:19:36+09:00 weekly https://cdn.shopify.com/s/files/1/0771/6628/0860/articles/01_52.svg?v=1793557176 【切断】三角すいの辺上の2点を通り、別の辺に平行な平面で切る断面積