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Mathematics Junior High

この問題教えてください🙏(2)と(4)について教えて欲しいです!

1. 【準備】次の間に答えよ。 の50 の3割を求めよ。 D× 15 400 の3割増を求めよ。 400 + (400× ) 520 ⑤ 900 の s割を文字式で表せ 900 x お-40S のyの 11%引きを文字式で表せ。 の 300 の1割引を求めよ。 300 - (300 × )0 の 1200 の %を文字式で表せ 12t |200 メ Tの 6 の 3%を文字式で表せ。 @ 3000 のェ%引きを文字式で表せ。 y -( × )は 、 ) 3000 - O 400 の 6%増を文字式で表せ。 (3000× 900- 301( @aの 7%増を文字式で表せ。 a+ (ax)- atroa (400×高) 400 + - 400+ 46 (00+7)a 700 107a 2.連立方程式をたてて答えよ。- 001 (1)男女合わせて36人のクラスがある。 このクラスで自転車通学の生徒は男子の50%と女子の20%のあわせて12人で 36 - 20 ある。このクラスの男子と女子の人数をそれぞれ求めよ。 X+ 20 :36 36t 【](x+4-36 Oメ(0 59+24: 10.52 + 0.24 = 12-9 の-0 T6 *20 - 男子6人,女子 20人 の5 52+5 10-6.5タ+5:120 09 -2591+ (2)兄弟2人が両親へのプレゼントとして5000円の品物を買ったよ兄は所持金の50%を、 弟は所持金の25%を出し合っ た。このとき残りの所持金は2人とも同じであった。兄弟それぞれの最初の所持金をそれぞれ求めよ。 【式) 【答) (3) ある高校の去年の入学志願者数は、男女合わせて600人であった。今年は去年に比べ、男子が10%減り、女子が 20%増えて、男女合わせて615人になった。今年の男子、女子の入学志願者数をそれぞれ求めよ。 もo0 2350 【式) 5a+y:60 (2ー(xッ)+ま+(1×器) = 615 ス-台スtチき=615,追火+-615 【答]男子350人,サ子250人 (4) 昨年の生徒数が360人でした。今年は去年に比べて男子が3%減少し、女子が5%増加したので全体としては2人増加 97 した。今年の男子と女子の人数を求めなさい。 % +、362 【式】L+}-360 X-(xx)+4(gx):362 【答) ニ (5) 昨年のテニス部は男子の人数が女子より10人多かった。今年は去年に比べて男子が20%減り、女子が30%増えたの 113 ページ https://math.005net.com/2/renritub2.php

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Mathematics Junior High

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Do you like dogss OU He dogs7 People ay tha dogs ae me oldew fiends orhumans Some 所 Te Vi People as Pets o tnlk about some Dogs we led by many peopls。 Now Tm gomg kinds of dogs w 「 Tes Working fordiabled peopkk。 They are not pes。 Toy are saiiance dogE 1p Japan。 there are three kinds of assistanee dogs。 They are gnide dogs。 service doB3 and Teng dogy Tody。 jn Japan。 more tan a momsand ssshtance dogs work for diabled PeoPIe To of thom are guide dogs。 The mumber of senrice dogs and hearing dogs is mot So large 人 OF Mey 1 2017。 here were onby abowe seveny senoe dogs mm Japan。 The number of hearing dogs was about he same. Guide dogs work for peopls who cannot see。 Guide dogs lead thc users when hy 8O 9 Herent places。 The dogs walk with the uscrs and gnuide them im a sefc way。 For Purposc。 guide dogs are ( A ) to go stmight along the road。 The users know hhe situaon j front of them thanks to the dogs、 and give dmectoons to the dogsy such as Wai FComer md “Sright go.” We can say that a gnide dog and the user work together to walk safely。 Service dogs work for people who cannot use their ams or legs ficcly。 Scrvice dogs do a Jot of things in daily lives for such people. For example。 they pick up things on the floor opcn. and close doors, and bring things from other places。 When something dangerous happens。 the dog can even run to some other people and ask thcm for hclp。 We can say that service dogs [で①語 Hearing dogs work for pcople who cannot hear。 Haring dogs can understand many kinds or sounds。 such as phones alanm clocksr cping babics nd so on。 The dogs 【 by /tel/ is heard / usi ig / thc users / their / what sound 】bodies: ER lece。 the dogs ouch the users and lead them to the place。 Hearing dogs can tcll many kinds of sonnds to the users and help them The law about assistance dogs says that they can go with the users imto many places Hike Testanrants, supenmarkets, and so on. So you have many chances to see thcm。 But you should amember one important thing about them。 Assiance dogs are not pets。 They are working 5r the users. so you must not talk to them or touch them。 OF course you must not give them ay food. Asshtance dogs md the usems respect eech othier ss Partnets。 When you meet an ssistance dog and te uscr in town。 just see what they dO。 TF they need some help。 lers ghve them a hand.

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Mathematics Junior High

お願いします

Do you like dogss OU He dogs7 People ay tha dogs ae me oldew fiends orhumans Some 所 Te Vi People as Pets o tnlk about some Dogs we led by many peopls。 Now Tm gomg kinds of dogs w 「 Tes Working fordiabled peopkk。 They are not pes。 Toy are saiiance dogE 1p Japan。 there are three kinds of assistanee dogs。 They are gnide dogs。 service doB3 and Teng dogy Tody。 jn Japan。 more tan a momsand ssshtance dogs work for diabled PeoPIe To of thom are guide dogs。 The mumber of senrice dogs and hearing dogs is mot So large 人 OF Mey 1 2017。 here were onby abowe seveny senoe dogs mm Japan。 The number of hearing dogs was about he same. Guide dogs work for peopls who cannot see。 Guide dogs lead thc users when hy 8O 9 Herent places。 The dogs walk with the uscrs and gnuide them im a sefc way。 For Purposc。 guide dogs are ( A ) to go stmight along the road。 The users know hhe situaon j front of them thanks to the dogs、 and give dmectoons to the dogsy such as Wai FComer md “Sright go.” We can say that a gnide dog and the user work together to walk safely。 Service dogs work for people who cannot use their ams or legs ficcly。 Scrvice dogs do a Jot of things in daily lives for such people. For example。 they pick up things on the floor opcn. and close doors, and bring things from other places。 When something dangerous happens。 the dog can even run to some other people and ask thcm for hclp。 We can say that service dogs [で①語 Hearing dogs work for pcople who cannot hear。 Haring dogs can understand many kinds or sounds。 such as phones alanm clocksr cping babics nd so on。 The dogs 【 by /tel/ is heard / usi ig / thc users / their / what sound 】bodies: ER lece。 the dogs ouch the users and lead them to the place。 Hearing dogs can tcll many kinds of sonnds to the users and help them The law about assistance dogs says that they can go with the users imto many places Hike Testanrants, supenmarkets, and so on. So you have many chances to see thcm。 But you should amember one important thing about them。 Assiance dogs are not pets。 They are working 5r the users. so you must not talk to them or touch them。 OF course you must not give them ay food. Asshtance dogs md the usems respect eech othier ss Partnets。 When you meet an ssistance dog and te uscr in town。 just see what they dO。 TF they need some help。 lers ghve them a hand.

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