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

Solutions > One-Step Multiplication Equation Calculator >

4=2x

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

☐²

x^☐

√☐

^□√☐

□□

log_□

π

θ

∞

∫

ddx

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

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variance 31100 , 23105 , 31205 , 54205

Solution

0.00456…

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التباين

التباين يقيس شدّة تباين وتنوّع المجموعة
Var(X)=∑_i=1ⁿ(x_i−̅ x)²n−1 إذًا التباين هو ̅ x والمعدّل هو a₁, … , a_n إذا كانت المجموعة لدينا تضم القيم

̅ x احسب المعدّل: 0.23592…

∑_i=1ⁿ(x_i−̅ x)² احسب: 0.01370…

اجسب عدد العناصر في المجموعة: n=4

Var(X)=∑_i=1ⁿ(x_i−̅ x)²n−1 احسب: 0.00456…

0.00456…

One-Step Multiplication Equation Examples

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