若用点A、B、C分别表示有理数a、b、c,如图:
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/12/7a0265dc-f221-48dc-84ee-b5b79bcff2de.png?resizew=250)
(1)判断下列各式的符号:
0;
0;
0
(2)化简
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/12/7a0265dc-f221-48dc-84ee-b5b79bcff2de.png?resizew=250)
(1)判断下列各式的符号:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8409329b550296446a936d97c491ca9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7fa17a39f52e09981729af4439ca535.png)
(2)化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1830d864ab89b978531a7f9fe1f8ec2.png)
更新时间:2024-03-13 20:43:41
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【推荐2】有理数a,b,c在数轴上的位置如图所示,
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/4/68b07567-c50d-4ca5-a501-ae49b6dc57a2.png?resizew=209)
(1)a______ 0;b_____ 0;c_____0.
(2)化简
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/4/68b07567-c50d-4ca5-a501-ae49b6dc57a2.png?resizew=209)
(1)a______ 0;b_____ 0;c_____0.
(2)化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/770cde99ebf69b9041228f40ed22e39b.png)
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解答题-计算题
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【推荐1】如图是一个“数值转换机”的示意图,按下图程序计算.
![](https://img.xkw.com/dksih/QBM/2020/10/6/2565374252605440/2565931727126528/STEM/905f745f8af74590affaecd31e5732a7.png?resizew=423)
(1)填写表格;
(2)请将图中的计算程序用代数式表示出来,并化简.
![](https://img.xkw.com/dksih/QBM/2020/10/6/2565374252605440/2565931727126528/STEM/905f745f8af74590affaecd31e5732a7.png?resizew=423)
(1)填写表格;
输入 | 5 | 2 | … | |||
输出结果 | … |
(2)请将图中的计算程序用代数式表示出来,并化简.
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【推荐2】计算题
(1)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33b52864f0533d385eba1414c6004549.png)
(3)
(4)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f82194c3d075d6f88c8343a00edab60.png)
(5)
(6)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/110d410e8e84241e6387d2eae712d80e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33b52864f0533d385eba1414c6004549.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f61f48d5100b4ed22e09da8213dadd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f82194c3d075d6f88c8343a00edab60.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3b9cc5e3d6fc07f834f848f12f0bd08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5efde2282df3167c3256bdbe1c280756.png)
您最近一年使用:0次