计算.
(1)
;
(2)
;
(3)
;
(4)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d98575753e4e12c3fd1c14bd35ca792f.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96687f064f243649beceafc245d2fe3e.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d80e16032e0a5936c40a8484560cb4ac.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a7d303faff213ba628b57f71e83e140.png)
更新时间:2024-03-16 23:01:32
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【知识点】 分数的乘、除法的混合运算
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解答题-计算题
|
适中
(0.65)
【推荐2】计算:
(1)用合适的方法计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1827281916f001cf9e3df5d3e4913709.png)
(2)化简比:
12:42
:0.3.
(3)解方程:
3x+2x=15 9-2x=1
(1)用合适的方法计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15aed3cb4b03b58ebb5b7d121f84028b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1454301d68f0b042f085d0f41ce94fa8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1827281916f001cf9e3df5d3e4913709.png)
(2)化简比:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cd4ea26566cc7d6bd71972287026f01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d33adb74906403b0b00fcbd9fa691d8b.png)
(3)解方程:
3x+2x=15 9-2x=1
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