✨ Best Answer ✨ 轟shashasha about 7 yearsago 3(n+3)で通分したんだと思います queen👑 about 7 yearsago ありがとうございます！ Post A Comment
![⑶で、第15項と第40項を求めて[1]の公式を使うのはできませんか？
2枚目どこまちがって... - 1](https://d1e9oo257tadp1.cloudfront.net/uploads/qa_question_image/file/1807803/thumb_l_webp_17829043939990.webp?Expires=1782995604&Signature=Qpb1~WshGHFS4tqbdqc0d9nViJGu68giwSWUu-YdahJCoiJRx~AbOJGSxTQmGbvyHGlXxZAqdFaCjlo6Kq8Z7dpJJ0FVbrW53~5yillKugAjoOwDCoCtsSBER9rPovL~ocTs1N2S6yZ05EeqaDCLpCTObVa2vObEqKjzpUpSDMdeyZNLLnmqw1IY7MxOlWHciR4FRQddlNBJJoFXDkA6ulgGa8iRC8DvrsLiCjZFa3McIZ2Ml8pGGwGJYIdl4RmrPRVnZFg7gau9jTvA77AuKVCQwTz3GqpaDYrnIHccawVQ524U45hpoaDOJtSm5oEbPFvg5rRCQEenUflurx95gg__&Key-Pair-Id=K2W722D70GJS8W&Expires=1782995604&Signature=GCYWd2yRP0tqXQ~0uXmmIazIcUzHWckYSatqjWMl4Tdo9bqPTdVjD-rm2SFrSCU4MeWjEOixyEqY-Yk5fXdZ5GXj9DYYbDyaWu1ctIpjWouDkkNa~8Lju5rRbrVp~QithHs-CV87oBsXK-wZFmMySjTfA0hJ5OUc6F4wfB5aCAlKH17nfL8V6a87S3YnrV08bJ~~pHVGrauYrKDmdlPD3drKUgx~F8bE~PcRt3yMrWL6NTW6lLfjiUkfR8Smlg~99try~gBzbkgxYKfjcP9vJj1RAZyNNcL3U3v63vJsNHi-sCidSHr1hEJf0Gq41jGgBzRYeZqV4g7K-pf~HH97CA__&Key-Pair-Id=K2W722D70GJS8W)
![⑶で、第15項と第40項を求めて[1]の公式を使うのはできませんか？
2枚目どこまちがって... - 2](https://d1e9oo257tadp1.cloudfront.net/uploads/qa_question_image/file/1807804/thumb_l_webp_17829043940640.webp?Expires=1782995604&Signature=Yj9Z3XRzsh8xVmPnwqOVjxzMJjYTbT-86OKaH3l4~W9oWFJoBc1B0JVri8K32vm6KY-N3xtNEHT~3dpyQYne1bWOPbVw5ugqFgM0spqHB-vG6c4SE8qHfH2H6jX2XC8Gq6~gm7D1Ypji3GrvXzJs9cuqLVKv~Ar6nsSACKSlWHzgMqu8hEtSB5A6j7tHSy5vEMAI0QmZ1S6cOlemwdmVJtLxBR3rPLXo3Yc~9CXDEwSbIatBitPQPKhIR9vL2U5jBuAoUuFZaxWQx-2o2qu~Z6M6c9lUgZBOR2QBZrUdR7z53KMxh-OsZwPa6B~YLtaxDpkRJe1f1vokRV8Lqp4rEg__&Key-Pair-Id=K2W722D70GJS8W&Expires=1782995604&Signature=oHA~FRJlXidj--Wbb3SadluaKbWrCXEExz8XOJMcf~zVvudOZKHmrJ7r96O4qdODrWaRQIwk6U5zuRbqdnmByU49Ftpfasyv7cME4aoNaghLGKs8Ya2kwekPHRfBPPzQG6hOUcUNE0tHJvNRk9PJNeWQUDelx9c72fHWZROWlGxD4UnlWFw2cZ4likBKONGvq2PF2KzM6shIfElmsavIpeCXXnsBtgxMZF~EtioHMhx9nFHUazcP36wh-WfNSnWh7j40meQBWLRrHi6kpqpwvfauAdB7ze9aS8q9IQgWauhDdneRYu40hqK3LgvWrjPx7wespdP6lfhk7tB3Gj4Mdw__&Key-Pair-Id=K2W722D70GJS8W)
ありがとうございます！