The book fair had a sale where 6 books were 20.46. If you wanted to buy 7 books, how much money would you need?

主题

全键盘

`x`²	`x`^□	log_□	√☐	^□√☐	≤	≥	□□	·	÷	`x`^◦	π
(☐)^′	`ddx`	∂∂`x`	∫	∫_□^□	lim	∑	∞	`θ`	(`f` ◦ `g`)	`f`(`x`)

☐²

x^☐

√☐

^□√☐

□□

log_□

θ

∞

∫

ddx

≥	≤	·	÷	`x`^◦	(☐)	\|☐\|	(`f` ◦ `g`)	`f`(`x`)	ln	`e`^☐
(☐)^′	∂∂`x`	∫_□^□	lim	∑	sin	cos	tan	cot	csc	sec

化简求解逆变换切线线

查看所有

区域

渐近线

临界点

可导

定义域

特征值

特征向量

展开

极值点

因式分解

隐函数求导

拐点

截距

逆变换

拉普拉斯

拉普拉斯逆

多个部分分式

值域

斜率

化简

求解

切线

泰勒

顶点

几何审敛法

交错级数审敛法

裂项审敛法

p-级数审敛法

根值审敛法

步骤示例

由人工智能生成

The book fair had a sale where 6 books were 20.46. If you wanted to buy 7 books, how much money would you need?

解答

23.87

隐藏步骤

例题

−▭▭	<	7	8	9	÷	`AC`
+▭▭	>	4	5	6	×	☐☐☐
×▭▭	(	1	2	3	−	`x`
▭ \|▭	)	.	0	=	+	`y`

The book fair had a sale where 6 books were 20.46. If you wanted to buy 7 books, how much money would you need?

解答

数字行