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English Senior High

この問題の答えを教えてください🙇 Elixir3三訂版です。

26 29 27 28 UNIT 5 不定詞 ① Reading 44 Grammar & Expression Writing /28 (268 words) 18 Arda Tur 8 宇宙エレベーター (イメージ) Cross Reference 12 Listening 8 Reading 29.08 People have always been fascinated by the stars. In the late 1950s, we began using 929 916 Jeriw blb rockets to explore space. Today, rockets remain the only method for space travel. However, some scientists and companies are discussing other ways to travel into space. They are even suggesting that it may be possible to build a space elevator. Such an elevator would be ideal to take people or equipment to a satellite in Earth's vs m orbit, the moon, or even Mars. They believe it would be expensive to build, but cheap oved) snosili saporio of bedes bi 2515JmT: 63 to operate. It would be 3,000 times cheaper than rocket travel, and it would also be Jodm Tolvo Station and Tokyo Joy trw 59728 safer. These are all positive reasons for trying to construct a space elevator. Obayashi Corporation is a Japanese company that built Tokyo Skytree, and improved the Golden Gate Bridge in America to protect it against 10 earthquakes. It has now promised to make a space elevator, which will allow people itsetovnoj anti mon doiniqo ono ar jedW (1) to go to a space station. Currently, the firm is researching the materials and costs. in einbiguier Obayashi Corporation wants to complete its project by 2050. Insoningie pig sabi gdT Most experts say that such a space elevator is not realistic. They also say it biq SILP 10 would be too would be too expensive. Other experts, however, think that a space elevator will be 15 built one day. It may all depend on human imagination and ambition. In fact, when in 1961 President John F. Kennedy announced the dramatic and ambitious goal to send an American rocket to the moon, many people doubted it could be done. But his goal was achieved in July, 1969, when the astronaut Neil Armstrong stepped onto the Moon's surface. ange Total ⑨25分 0:40 大意把握 SW.Y 問1 次は ア. イ. ウ I 問2 20 E て 19

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Mathematics Senior High

また、のところからの互いに異なる4桁の整数を求めるのとそのうち2でも3でも割り切れないものの個数を求めるやりかたを教えてください そして、()の数が5個になる理由を教えてください

であり、 の倍 5 ・3 28個の数字 1.2 2 3 3, 3を1列に並べて6桁の整数を作る。 このとき、互いに異なる6桁の整数は全部でアイ個でき、そのうち2が連続して並ぶ一 ものは全部でウ ある。 また、6個の数字1, 2, 2, 3, 3, 3から4個の数字を選び、それらを並べて4桁の整数 を作る。このとき, 互いに異なる4桁の整数は全部で オカ個でき、そのうち2でも3 でも割り切れないものは全部で キク 個ある。 (個の数字のうちは2つ3は3つ 202回 30 30 3③ もし、全部の数字が違う場合 6! 2!3! 23.33. 20 20 1,2,2,3,3,3のうち本来は同じはずである「2」をどれだけ 重複して考えてしまったか 2202回の2つあるから 2! ろも2と同様にしてうはう①3②3④のうつだからろ? 実際に区別はできるから3が3コ存在する場合6.を3! で繋けばよい 2を固定すると EXTR²3/24 21+ 1x bx 2x11 60 (1223) (2233) (12133) (2333) (1333) 41 4! 4! + '+ 21 2! 3! = 6C.xrC2=60 口を1つの数字だと考えると5ケタの数になる 223013.3① 51 1 ! | ! 3! ( 5C1x4C1=20 5+4x3+x 3×2×1×1 = 6×5×4×3×2×1 = 172⁰ + 38 2でも3でも割りきれない 30 24 3 4! +++ 2!2! 3! 120 = 20 全部で60アイ→60個 360 どれだけ重複しているか 2で割りきれない P 清天城上 46/ →19位に2がこない この位は10r3

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