äžæ24é£ããã80ïŒ
ãããç¶ç¶æ§ã ã£ãã
ãããã24é£äžã16R5åã13R2åã4R17åãšãã
å°çã®æ¯ãåãè² ããã(ç¬
ããžã§1/2ã§4R以äžãªã®ïŒã£ãŠãããåŒããªãã£ã
ã©ã¹ãã·ã¥ãŒãã£ã³ã°ã§10é£ç¶6RãåŒããæããã
ã€ã©ã€ã©ãããªã
ãããã24é£äžã16R5åã13R2åã4R17åãšãã
å°çã®æ¯ãåãè² ããã(ç¬
ããžã§1/2ã§4R以äžãªã®ïŒã£ãŠãããåŒããªãã£ã
ã©ã¹ãã·ã¥ãŒãã£ã³ã°ã§10é£ç¶6RãåŒããæããã
ã€ã©ã€ã©ãããªã