在数轴上表示
的倒数,绝对值等于的1数,
的立方,并用“<”把它们连接起来.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3389f53711264b0acba3ba6019f8b908.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
![](https://img.xkw.com/dksih/QBM/2021/9/6/2802409793478656/2803756499640320/STEM/69bcbc8020fa456cba68bbdbcf5ee644.png?resizew=321)
20-21七年级上·湖南怀化·期末 查看更多[4]
湖南省怀化市会同县2020-2021学年七年级上学期期末数学试题(已下线)第07讲 有理数乘方及科学记数法-【暑假自学课】2022年新七年级数学暑假精品课(北师大版)(已下线)【暑期衔接】专题12《有理数的乘方》过关检测-2022年暑假小升初数学衔接(人教版)北京市燕山区2022-2023学年七年级上学期期中模拟数学试题
更新时间:2021-09-08 16:40:06
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解答题-作图题
|
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【推荐1】邮递员骑摩托车从邮局出发,先向南骑行
到达
村,继续向南骑行
到达
村,然后向北骑行
到达
村,最后回到邮局.
(1)以邮局为原点,以向北方向为正方向,用1个单位长度表示
,画出数轴,并在数轴上表示出
、
、
三个村庄的位置.
(2)若摩托车每
耗油3升,汽油的单价是5.8元/升,求这趟路共耗油多少元?(精确到十分位).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a26016c9a610be4da74086a37c3327d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c65cce51b851717ccbd705588d77802b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a1726d9f6503e1399ce780776108eb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)以邮局为原点,以向北方向为正方向,用1个单位长度表示
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1890f0b4e81634bb7e013412698640f3.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)
(2)若摩托车每
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c5a1095f11a367fc0bfdd114211fab3.png)
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【推荐2】在数轴上表示下列各数,并把下列各数用“<”号连接起来:
,
,
,
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3389f53711264b0acba3ba6019f8b908.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e59149febb3fa66e46c333cdc834928e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c7185982cb54346f0d6ecca15202a.png)
您最近一年使用:0次
解答题-问答题
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名校
【推荐1】把下列各数填在相应的大括号里.
,
,
,
,
,
,
,
,
,
,
.
正数集合:{ …};
负数集合:{ …};
整数集合:{ …};
负分数集合:{ …}.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b32fc61504d9083baf4bc95ee1eaf69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3c04902d8ae0503af2aeccbf98f61f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f41918cc2ed670884afc9fdcc8da7eea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a14396019051bcf1c0a360be080fd986.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2941ad8ec8943e6fdb37725401a065aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ee2463ed219d5a7266ffc95d2716d55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46bef803b1098ed6144b185c2f5e7248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6503ca085e3ca5f2ba723b0dd66e210b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a486d1bd9bd713c1b6f06bdacf8c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88893ccdd83879380585f1225c993dda.png)
正数集合:{ …};
负数集合:{ …};
整数集合:{ …};
负分数集合:{ …}.
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【推荐2】在数轴上表示下列各数,并用“
”号连接起来.
,
,
,
,
,
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ff7942da6c3fc4005256fb1458557c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd890d23b325b9440ebfae2c0ff9b8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/991695904b8bcb824f0bf83758e39574.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0415147b2dc37f0580c2e64df1f4c337.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ec818fc0754296163206e1e8870f9e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bac7933bad24c94d16fd96ef699397c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee56e685cfcc52f1ea0956a41501b9e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22d3bf727f6c78896544c7f6c8ff33ba.png)
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解答题-问答题
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【推荐1】已知a,b互为相反数,c,d互为倒数,m的绝对值为3,求
﹣3cd+m2的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb894e662960d1ea0f9a9bee36464e52.png)
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解答题-计算题
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【推荐2】已知
互为相反数,
互为倒数,x的绝对值等于3,
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62ff2912fd8d93b6e692936d95b727c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22b4218f00da487d3f63b9360144708f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8536b0baa6e932a282838a14e0052bbc.png)
您最近一年使用:0次
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【推荐1】下列各数:0,-|-3.5|,0.2,(-2)2,(-2)3,-1.6,-,-(-0.5),其中负数的个数为m,正数的个数为n.求|n-m|的值;
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解答题-问答题
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【推荐2】画数轴,在数轴上表示下列各数,并用“<”把这些数连接起来.
3,0,
,
,1.5,
3,0,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97a2e25691e583a64819323ecd136962.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a22e82ffaf4d1ed342a8a0e7b76fd133.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb3528d985a77044680e3fb9bd49c8e3.png)
您最近一年使用:0次