阅读:已知在纸面上有一个数轴(如图),折叠纸面,若数轴上表示数1的点与表示数
的点重合,则数轴上表示数
的点与表示数2的点重合.
折叠纸面,使数轴上表示数
的点与表示数0的点重合,解答下列问题:
(1)数轴上表示数3的点与表示数________的点重合;
(2)若点
到原点的距离是5个单位长度,并且
,
两点经折叠后重合,求点
表示的数;
(3)若数轴上
,
两点之间的距离为2024,并且
,
两点经折叠后重合,如果点
表示的数比点
表示的数大,直接写出点
,
表示的数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/22/e4d8b010-9eaa-4a2b-8f03-42377fac3621.png?resizew=469)
折叠纸面,使数轴上表示数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3edbd40e04e2a943051fa83d6e511add.png)
(1)数轴上表示数3的点与表示数________的点重合;
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(3)若数轴上
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
更新时间:2023-10-20 18:27:03
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相似题推荐
解答题-问答题
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【推荐1】阅读下列材料并完成任务:
点
在数轴上分别表示有理数
;
两点之间的距离表示为
.
当
两点中有一点在原点时,不妨设点
在原点,如图1所示,
;
当
两点都不在原点时,分三种情况,
情况一:如图2所示,点
都在原点的右侧,
;
情况二:如图3所示,点
都在原点左侧,
;
情况三:如图4所示,点
在原点的两边,
;
![](https://img.xkw.com/dksih/QBM/2020/3/19/2422740204265472/2422967117496320/STEM/0b09778c-b1b6-47c9-b72a-4c81b1fc8d57.png?resizew=550)
综上所述,若点
在数轴上分别表示有理数
,则数轴上
两点之间的距离为
.
任务一:数轴上表示2和5的两点之间的距离是________,数轴上表示-2和-5的两点之间的距离是________,数轴上表示3和-1的两点之间的距离是________.
任务二:点
在数轴上分别表示有理数
,那么
到
的距离与
到
的距离之和可表示为_________(用含绝对值的式子表示).如果
,那么
为________.
任务三:当
取最小值时,
=________,
=________.
点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f02f7714a50be156acc97ca50156db29.png)
当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
情况一:如图2所示,点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed950100ab5a7474d5aca825231e4856.png)
情况二:如图3所示,点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/283b97d83aaceeca8b8fc692585c2be5.png)
情况三:如图4所示,点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfc71c09d327c2f4d632564afebcd227.png)
![](https://img.xkw.com/dksih/QBM/2020/3/19/2422740204265472/2422967117496320/STEM/0b09778c-b1b6-47c9-b72a-4c81b1fc8d57.png?resizew=550)
综上所述,若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b60a6e9515c220c8554719e399ec47.png)
任务一:数轴上表示2和5的两点之间的距离是________,数轴上表示-2和-5的两点之间的距离是________,数轴上表示3和-1的两点之间的距离是________.
任务二:点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38335830b93ac4d99c28a8e209eecb3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4e11893807b8109a4903733d56e0919.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f371c0b1d573c06516ab1904d95ee49f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
任务三:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83b8499fdf91888ff18bc26a2d95b71b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
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【推荐2】如图,A、B、C是数轴上的三点,O是原点,
,
,
.点P从点A出发,以每秒2个单位长度的速度沿数轴向右匀速运动,同时点Q从点C出发,以每秒3个单位长度的速度向左匀速运动,设运动时间为t秒
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/11/f60acb28-2894-4360-8d5a-b315922084f2.png?resizew=454)
(1)数轴上点A表示的数为______,C表示的数为______,A、C两点的距离为______;
(2)用含t的代数式表示:t秒后,点P表示的数为______,点Q表示的数为______;
(3)求当
______s时,P、Q两点相遇;
(4)求当
______s时,P、Q两点相距20;
(5)求当
______s时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1bcc9813fb489eee0b9864f6a97812f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e40f29ae9ab5908458ef657c85143bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/699651623213cdae246a9587cf74d37a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cea72e0c37257bcfd85a59ef8dd0f80.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/11/f60acb28-2894-4360-8d5a-b315922084f2.png?resizew=454)
(1)数轴上点A表示的数为______,C表示的数为______,A、C两点的距离为______;
(2)用含t的代数式表示:t秒后,点P表示的数为______,点Q表示的数为______;
(3)求当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825116eb345f5505ebc8c1cdb8a1f131.png)
(4)求当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825116eb345f5505ebc8c1cdb8a1f131.png)
(5)求当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825116eb345f5505ebc8c1cdb8a1f131.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e9ced1dfb748bba0771bdd0705c2b05.png)
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名校
【推荐3】在同一直线上的三点
,
,
,若满足点
到另两个点
,
的距离之比是3,则称点
是其余两点的亮点(或暗点).具体地,当点
在线段
上时,若
,则称点
是
的亮点;若
,则称点
是
的亮点;当
不在线段
上时,若
,称点
是
的暗点;若
,则称点
是
的暗点.例如,如图1,数轴上点
,
,
,
分别表示数
,2,1,0.则点
是
的亮点,又是
的暗点:
(1)
、
为数轴上两点,点
所表示的数为
,点
所表示的数为6.则
的亮点表示的数是_______,
的暗点表示的数是_______;
(2)如图,数轴上点
所表示的数为
,点
所表示的数为10.点
在点
、
之间,将数轴以点
对折,点
落在数轴的
点,
、
和
三个点中恰有一个点为另外两个点的亮点,求点
所表示的数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6fbb94bda47d2801947a65a2d19d893.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c459528ea57633458a7e7253c5153e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8568f28f5ccf3a45aada3c490befa55a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e8db1b1d785eb51760af77fb2e3fe0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6fbb94bda47d2801947a65a2d19d893.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c459528ea57633458a7e7253c5153e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8568f28f5ccf3a45aada3c490befa55a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e8db1b1d785eb51760af77fb2e3fe0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c459528ea57633458a7e7253c5153e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df63c6c9e989db41516c050d953a05cf.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/17/c6332c82-7a4c-49a2-8c91-1cdff79ac9a0.png?resizew=174)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbb7acffa915bd7fd471361ad68e1dc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc19f653bb021cc185089e5822e1448f.png)
(2)如图,数轴上点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91498d22fa9e1bae4ee8399259d9cfd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/17/b0b620df-0af4-4828-a6bc-725a1026ebbe.png?resizew=176)
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【推荐1】如图在数轴上A点表示数a,B点表示数b,AB表示A点和B点之间的距离,且a、b满足
.求A,B两点之间的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5923a747357cf01c6e92a4a0cb2183bd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/3/58a68650-d199-4512-a73f-6d9874ac181e.png?resizew=167)
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【推荐2】对于四个数“
、
、1、3”,运用加、减、乘、除、乘方这几种运算列算式解答:
(1)求这四个数的和;
(2)在这四个数中选出两个数,使得两数差的结果最小;
(3)在这四个数中选出两个数组成一个算式,使运算结果等于没选的另外两个数中的一个;(只写出一个)
(4)在这四个数中选出三个数,用两种运算组成一个算式,可以带括号,使运算结果等于没选的那个数.(只写出一个)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bf3d3564c61e5e9c39a9e2cf2de048b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
(1)求这四个数的和;
(2)在这四个数中选出两个数,使得两数差的结果最小;
(3)在这四个数中选出两个数组成一个算式,使运算结果等于没选的另外两个数中的一个;(只写出一个)
(4)在这四个数中选出三个数,用两种运算组成一个算式,可以带括号,使运算结果等于没选的那个数.(只写出一个)
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【推荐1】某食品厂一辆货车从超市出发,向东走了3千米到达A村,继续走 2.5千米到达B村,然后向西走了10千米到达C村,最后回到超市.
(1)以超市O为原点,以向东的方向为正方向,用一个长度代表1千米,在数轴上表示出A村,B村,C村的位置;
(2)若货车每千米耗油0.1升,这趟路货车共耗油多少升?
(1)以超市O为原点,以向东的方向为正方向,用一个长度代表1千米,在数轴上表示出A村,B村,C村的位置;
(2)若货车每千米耗油0.1升,这趟路货车共耗油多少升?
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/22/101a3590-9f54-466e-82f1-6cf833a86475.png?resizew=411)
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(0.65)
【推荐2】阅读与思考
请阅读下列材料,并完成相应的任务.
如果两个两位数ab,cd,将它们各自的十位数字和个位数字交换位置后得到两个完全不同的新数ba,dc,这两个两位数的乘积与交换后的两个两位数的乘积相等,则称这样的两个两位数为一对“有缘数对”.
例如:
,所以,46和96是一对“有缘数对”.
任务:
(1)下列各组数中,是“有缘数对”的有______.(填序号)
①13与62 ②28与84 ③43与68 ④54与45
(2)在“有缘数对”中,a,b,c,d之间满足怎样的等量关系?请说明理由.
(3)若两位数A的十位与个位上的数字分别为
,
,两位数B的十位与个位上的数字分别为
,
,则A与B是一对“有缘数对”吗?请说明理由.
请阅读下列材料,并完成相应的任务.
如果两个两位数ab,cd,将它们各自的十位数字和个位数字交换位置后得到两个完全不同的新数ba,dc,这两个两位数的乘积与交换后的两个两位数的乘积相等,则称这样的两个两位数为一对“有缘数对”.
例如:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25d0d564d51c562449d1c907978a235b.png)
任务:
(1)下列各组数中,是“有缘数对”的有______.(填序号)
①13与62 ②28与84 ③43与68 ④54与45
(2)在“有缘数对”中,a,b,c,d之间满足怎样的等量关系?请说明理由.
(3)若两位数A的十位与个位上的数字分别为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7502055a0d3b3f1bb71d44aa901063e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85369a5cdfa128d73ed013c333622ed9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a7f6a30fc0519ea8cd04ef1b34c18f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/401b9f70fc60ed583bb58492f3b034ea.png)
您最近一年使用:0次
解答题-计算题
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适中
(0.65)
名校
【推荐3】规定:求若干个相同的有理数(均不等于0)的除法运算叫做除方,
,
等,类比有理数的乘方,我们把记作
记作
,读作“2的圈3次方”,
记作
,读作:“
的圈4次方”.一般地,把n个a记作
,读作“a的圈n次方”
【初步探究】
(1)直接写出计算结果:
,
.
【深入思考】
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da2815065e14e50bf555eb808220f56d.png)
我们知道,有理数的减法运算可以转化为加法运算,除法运算可以转化为乘法运算,有理数的除方运算如何转化为乘方运算呢?
(2)试一试,仿照上面的算式,将下列运算结果直接写成幂的形式.
;
.
(3)想一想:有理数
的圈
次方写成幂的形式等于多少,并写出推导过程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fbfa18465de74e7a3a414704f38ba39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cbada1b68a9ef62fa4375799eb9bfb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fbfa18465de74e7a3a414704f38ba39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e62ba56692ea408c868037cb082c5d76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cbada1b68a9ef62fa4375799eb9bfb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2df1191c76b35c12934a6ba5bf43575c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ffa4e8a5782902468171a74d9291228.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b4d8dacb18f0e323e355d9d32b2bed1.png)
【初步探究】
(1)直接写出计算结果:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e62ba56692ea408c868037cb082c5d76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2223e5824e2780196ea55c310e2dd898.png)
【深入思考】
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da2815065e14e50bf555eb808220f56d.png)
我们知道,有理数的减法运算可以转化为加法运算,除法运算可以转化为乘法运算,有理数的除方运算如何转化为乘方运算呢?
(2)试一试,仿照上面的算式,将下列运算结果直接写成幂的形式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/859260c2fb106284a79b751381eefa48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86fe01f1d4b15b506ac385fef5b6013f.png)
(3)想一想:有理数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8efd441767fa55e1af9ebcc78529684e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8715a3f984d2627afd7c40c61347b7cb.png)
您最近一年使用:0次