Ron had one dollar. Jane had 2 dollars. how much would they have together?

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`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

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tứ phân vị trên 90, 94, 53, 68, 79, 84, 87, 72, 70, 69, 65, 89, 85

Solution

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Tứ phân vị thứ ba

Tứ phân vị thứ ba là giá trị phân tách ba tứ phân vị dưới và tứ phân vị trên của tập dữ liệu.
Tứ phân vị thứ ba được tính bằng cách lấy trung vị của nửa cao hơn của tập hợp đã sắp xếp.

Sắp xếp các số hạng theo thứ tự tăng dần

53, 65, 68, 69, 70, 72, 79, 84, 85, 87, 89, 90, 94

Lấy nửa trên của tập hợp tăng dần: 84, 85, 87, 89, 90, 94

Trung vị của 84, 85, 87, 89, 90, 94: 88

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

Ron had one dollar. Jane had 2 dollars. how much would they have together?

Solution

Solution steps

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