七年級(jí)上冊(cè)數(shù)學(xué)數(shù)軸

1、一個(gè)兩位數(shù)比它十位上的數(shù)與個(gè)位上的數(shù)的和大9如果交換十位上的數(shù)與個(gè)位上的數(shù)所得兩位數(shù)比原兩位數(shù)大27求這個(gè)兩位數(shù) 2、一件商品如果按定價(jià)打九折出售可以盈利20%如果打八折出售可以盈利10元問(wèn)此商品的定價(jià)是多少 3、某廠共有120名生產(chǎn)工人每個(gè)工人每天可生產(chǎn)螺栓25個(gè)或螺母20個(gè)如果一個(gè)螺栓與兩個(gè)螺母配成一套那么每天安排多名工人生產(chǎn)螺栓多少名工人生產(chǎn)螺母才能使每天生產(chǎn)出來(lái)的產(chǎn)品配成最多套 4、在某條高速公路上依次排列著A、B、C三個(gè)加油站A到B的距離為120千米B到C的距離也是120千米分別在A、C兩個(gè)加油站實(shí)施搶劫的兩個(gè)犯罪團(tuán)伙作案后同時(shí)以相同的速度駕車沿高速公路逃離現(xiàn)場(chǎng)正在B站待命的兩輛巡邏車接到指揮中心的命令后立即以相同的速度分別往A、C兩個(gè)加油站駛?cè)オ⒔Y(jié)果往B站駛來(lái)的團(tuán)伙在1小時(shí)后就被其中一輛迎面而上的巡邏車堵截住而另一團(tuán)伙經(jīng)過(guò)3小時(shí)后才被另一輛巡邏車追趕上問(wèn)巡邏車和犯罪團(tuán)伙的車的速度各是多少

?Fox and cock
? One morning a fox sees a cock.He
? think,"This is my breakfast.''
? He comes up to the cock and says,"I know
? you can sing very well.Can you sing for me?''The
? cock is glad.He closes his eyes and begins
? to sing.The fox sees that and caches him in his mouth and carries him away.
? The people in the field see the fox.They cry,"Look,look!The fox is carrying the cock away.''The cock says to the fox,"Mr Fox,do you understand?The people say you are carrying their cock away.Tell them it is yours.Not theirs.''
? The fox opens his mouth ang says,"The cock is mine,not yours.''Just then the cock runs away from the fox and flies into the tree.
? 狐貍和公雞
? 一天早上，一只狐貍看到了一只公雞。他想：這是我的早餐。
? 他朝公雞走來(lái)，對(duì)他說(shuō)：“我知道，你能唱得非常好聽(tīng)，你能唱給我聽(tīng)么？”公雞很高興。他閉上眼睛開(kāi)始唱歌。狐貍看到這些抓住它放到自己的嘴里走了。
? 在田地里的人們看到了狐貍。大喊大叫：“看，看！狐貍抓住公雞逃走了?！惫u對(duì)狐貍說(shuō)：“狐貍先生，你能理解么？人們認(rèn)為你叼走了公雞。告訴他們這是你的，不是他們的?！?
? 狐貍張開(kāi)她的嘴說(shuō)：“公雞是我的，不是你們的。”就在那時(shí)，。公雞跑到了樹(shù)底下

龜兔賽跑
有一天，兔子和烏龜跑步，兔子嘲笑烏龜爬得慢，烏龜說(shuō)，總有一天他會(huì)贏。兔子說(shuō)，我們現(xiàn)在就開(kāi)始比賽。兔子飛快的跑著，烏龜拼命地爬，不一會(huì)兒，兔子與烏龜已經(jīng)里的有很大一段距離了。兔子認(rèn)為比賽太輕松了，它要先睡一會(huì)，并且自以為是地說(shuō)很快就能追上烏龜。而烏龜呢，它一刻不停地爬行，當(dāng)兔子醒來(lái)的時(shí)候?yàn)觚斠呀?jīng)到達(dá)終點(diǎn)了。此故事告訴大家：不可輕易小視他人。虛心使人進(jìn)步，驕傲使人落后. 要踏踏實(shí)實(shí)地做事情，不要半途而廢，才會(huì)取得成功

One day, the rabbit and the tortoise run, the rabbit laughed at the tortoise climb slowly, the turtle said, one day he will win. Said the rabbit. "We will start the race now.". The hare runs fast, the tortoise is very hard to climb, not for a while, the rabbit and the tortoise has a lot of distance. The rabbit thinks the game is too easy, it will go to sleep for a while, and self righteous said quickly catch up with the turtle. And the tortoise, it was a moment to crawl, when the rabbit woke up the turtle has reached the end of the. This story tells us: don't belittle others. Modesty makes people progress, proud people behind. To do things, do not give up halfway, will be successful.

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