Warning: Attempt to read property "post_title" on null in /home/c8602153/public_html/ict-primaryschool-juniorhighschool.com/wp-content/themes/cocoon-master/lib/blogcard-in.php on line 68
Warning: Attempt to read property "post_excerpt" on null in /home/c8602153/public_html/ict-primaryschool-juniorhighschool.com/wp-content/themes/cocoon-master/lib/blogcard-in.php on line 75
Warning: Attempt to read property "post_content" on null in /home/c8602153/public_html/ict-primaryschool-juniorhighschool.com/wp-content/themes/cocoon-master/lib/blogcard-in.php on line 83
Warning: Attempt to read property "post_date" on null in /home/c8602153/public_html/ict-primaryschool-juniorhighschool.com/wp-content/themes/cocoon-master/lib/blogcard-in.php on line 89




おじぃ
正多角形の対角線はとてもきれいですね。正〇角形の対角線を書いてみましょう。
多角形の角の数を入力して線の色を選ぼう。
色を選んでください:
まとめ
正三角形から正三十角形までのスライド動画になります。
コメント