Grade

Subject

Type of questions

Mathematics Junior High

黒のタイルの枚数をnを使って表せるやつで なぜ8+4+4+…+4の 4+4…+4が (n-1)になるのですか??

16 規則性を発見する数量の表し方 図1のような同じ大きさの正方形の白と黒の タイルがたくさんある。 これらのタイルをすき間な く並べて,図2のように, 1番目, 2番目, 3番目, 4番目, くっていく。あゆむさんとかなでさんは, 1番目, 2番目,3番目, 4番目, … の正方形をつくるとき に必要なタイルの枚数について話しあっている。2 人の話しあいの一部を読んで, ( ア ) · ( イ )にあ てはまる数を,ウ」にはあてはまる式を,それぞれ 書きなさい。 …と一定の規則にしたがって正方形をつ (7点×4〉(R2 徳島) 図1 図2 白の 黒の タイル タイル (2 と 176 20 1番目 2番目 3番目 4番目 【話しあいの一部】 あゆむさん 1番目の正方形をつく室には竹ゆタ イルが1枚と黒のタイルが8枚必要でず!。 す1 ね。 かなでさん そうですね。 2番目の正方形をつくる には,白のタイルが4枚と黒のタイルが 12枚必要です。 あゆむさん 5番目の正方形をつくるには, 白のタ イルが(ア )枚と黒のタイルが( イ )枚 必要です。このような正方形をつくると きに必要な白と黒のタイルの枚数には, 規則性がありますね。 かなでさん たとえば, n番目の正方形をつくると きに必要な黒のタイルの枚数は, nを用 いてウ)枚と表すことができますね。

Resolved Answers: 1
English Junior High

答え合わせお願いします。 間違っている問題や空欄の問題は教えてください。

in China. But now he is famous for following the CROSSING THE WORLD ON A RICKSHAW TO SEE THE OLYMPICS 'hen Chen Guan Ming was a young man, he never travelled far from his farm in a small village When he arrived in London, he met lots of tourists and told them his story. Some people didn't believe him. Then he showed them the stamps in his passport, and the photos of himself at places like the Eiffel Tower in Paris and Petronas Towers in Kuala Lumpur. Olympic Games around the world in his three-wheeled rickshaw.The story began in 2001, when he heard that the games were coming to Beijing. He left his village and cycled 90,000 km all over China, visiting 1,764 cities before finally arriving at the famous Bird's Nest Stadium. Then, he decided to travel to London for the 2012 Olympics. In 2010, he packed his things into his rickshaw and began his journey. He slept in his rickshaw and sometimes worked for food and money. Finally, he got to France, and caught a ferry to Britain. He only travels by boat or plane when there's no other choice. After the London Olympics, Chen left his rickshaw in the UK and caught a flight home to plan his next trip-to the Rio Olympics. In 2013, he flew back to London. He put his rickshaw on a ship to Canada, and he tooka plane there. A friend paid for his flight ticket. Then, he got on his rickshaw and rode to Brazil through the US, Mexico and Central America. The journey took three years. He had an amazing time in Rio and made lots more friends. 十余年野 on, more than

Resolved Answers: 1
English Junior High

この問題教えてください。 明日までの課題なのでご協力お願いします。

in China. But now he is famous for following the CROSSING THE WORLD ON A RICKSHAW TO SEE THE OLYMPICS 'hen Chen Guan Ming was a young man, he never travelled far from his farm in a small village When he arrived in London, he met lots of tourists and told them his story. Some people didn't believe him. Then he showed them the stamps in his passport, and the photos of himself at places like the Eiffel Tower in Paris and Petronas Towers in Kuala Lumpur. Olympic Games around the world in his three-wheeled rickshaw.The story began in 2001, when he heard that the games were coming to Beijing. He left his village and cycled 90,000 km all over China, visiting 1,764 cities before finally arriving at the famous Bird's Nest Stadium. Then, he decided to travel to London for the 2012 Olympics. In 2010, he packed his things into his rickshaw and began his journey. He slept in his rickshaw and sometimes worked for food and money. Finally, he got to France, and caught a ferry to Britain. He only travels by boat or plane when there's no other choice. After the London Olympics, Chen left his rickshaw in the UK and caught a flight home to plan his next trip-to the Rio Olympics. In 2013, he flew back to London. He put his rickshaw on a ship to Canada, and he tooka plane there. A friend paid for his flight ticket. Then, he got on his rickshaw and rode to Brazil through the US, Mexico and Central America. The journey took three years. He had an amazing time in Rio and made lots more friends. 十余年野 on, more than

Resolved Answers: 1