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Mathematics Senior High

2番の「すべて2つの正6角形が共有し…」のところが分かりません。3つ共有していると思ったのですが、なぜ違いますか

\ N呈 302 多面体 サッカーボ M らなるへこみの無い多面体で。 どの頂点 1のjE証 お り, まあ 過のi虹大 氏と 2 の正六角形が集まって 六角少にい 3 休 82YIターーウタ 3をiia78H06の本ずる ⑪) この多面体の頂点の数 ヶ を ァ を用いて表せ。 また, 2 を > を用い ( 2) こ の多面体の面の数 と辺の数e を , ッ を用いて表せ。 (9 ァ の値を求めよ。 』 EEZZ3 「 ク の) _ /1 つの面での 。 (1 つの頂点が他の面で g (の明 0 (MKの数 ) AP (生衝して数えられた田才) ス| 辺の数も同様に考える。 頂点, 辺, 面の数のうち 2 つが分かったとぎは。 オイラーの多面体定理を利用3 Aciion》 多面体の頂点(の, 辺(@): 面 (/) の数は, ぃーeオ2 を用 病 0) 1つの正石角形につき 5 個の頂点があり, 他の正刀角 形と共有していない。 この多面体のすべての頂点は, 正 五角形の頂点の 1つであるから の三5X ① 1 正五角形は x夫 1 つの正六角形につき 6 個の頂点があり, この多面体の すべての頂点は, 2 つの正六角形が共有している。 馬うて 。 ゥ/ー6ヵ=2=3?タ …② 46yは1つの頂 みこの多面体の面は, 正五角形と正六角形だけからなる。 | 還間II /ーシオッ ご②③ 正娘角形の 5 個の辺は, 他の正五角形と共有しておらず, 45x 個 六角形の 6 個の辺のうちと正五角形と共有しないものは 留つあり, それらはすべて 2 つの正六角形が共有し 4G+?) 個 3 凍って ヶ5z十一 …④

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English Senior High

問1がわかりません💦教えてください‼︎ 問2、問3は3、3で答え合ってると思いますか? 何になると思いますか⁇

第4問 (可吉 jo _ You 1 6 are doing research on Tasmanian devils articles. 0 You founa GS Tasmanian Devils ーー by AMatthew Jones, January 2017 | ] | The Tasmanian devil is a wild meat-eating mar。 | upial f | only on the island of Tasmania, Australia. A marsup 1 hatis | 9f mammal. Their babies start to grow in a pouch on 0 5 the motner。 | stomach, jike kangaroos. Tasmanian devils are night hunter。 me have dark fur, a good sense of smell, and a strong bite. Theyre 層 the biggest meat-eating marsupial in the world. Today these animal。 are Tasmania's icon, but this wasnt always the case. Im the early 1800s, they were thought of as pests by the early European Settlers So 《hey hunted the Tasmanian devils. This led to a deciine in thee population. Currently, Tasmanian devils are on the endangereq Species jist. To prevent their extinction, the Australian goVernment started the “Save the Tasmanian Devil Program" in 2003 to monitor and assist Tasmanian devils in the wild. js There are numerous reasons for the decline of the Tasmanian devi】s, but the population started declining rapidly after the arrival of a virus known as devil facial tumour disease in the mid-90s. The Number of Tasmanian Devils 300000 100% 250000 250000 80% 200000 200000 68% 170000 60% 150000 150000 47% - 117500 100000 15% 6 50000 1 37500 ご55no0 II 1996 2000 2004 2006 2008 2010 2015

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English Junior High

答えだけでいいので教えて下さい!

人っ内に調して. (から までの折半にするきたしし も人婦をのを1. 2 3 4の叶から二フ基げその The World of Tea tes。 Chinee Ta sa dink ar s emioyed by many people al orer the YOHG Jp rea。 and Enghsh tes are populsr now Many people beliewe thar people in Ciima tamied rmaking tea from the leaves* of the tea plant thousands Of Years SB0. was introduced to Brope and me US.im the 16m or I7ih cn and people im the DK tared onioying tea h other ways hike pwrting mik orsngar in their dtink Tdayr people erioy tea in many Gerent ways Im Jspan and China。 peoPle use (ea foodL such as soba noodles_ Tkis aloo esed im desserts ike ice cream And some people ea tMetealeeritet Ta sef is chaneing toon rhas become popular to make tea from other things suct ss nowems fritey and vegetablex_ Niany people callsuch drinka tea but others say th Tea must be made from the tea plant to cah it ea Teas made from Howers fruits。 av egebles are onen csled herbaltees* When many People hear the words herbaltea* the imagine mint or Iavender bur herbal reat hiswory is as ong as thak of real tea" For eampk some Chinese teas that were made formedicine are also herbal tcas. Waris dimerent about herbal tesye People oRen think herbal teas have diTerent enect becaue they are made from something other than tea leawesSome herbal teas make peonl relax。 Today hertel eas are oen seen in ores and many other places | 人 い

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