long multiplication 45*3

Topic

Full pad

`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

simplify solve for inverse tangent line

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Steps Examples

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long multiplication 45· 3

Solution

135

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Solution steps

One step at a time

45· 3

Line up the numbers

	4	5
×		3

Multiply the top number by the bottom number one digit at a time starting with the ones digit (from right to left)

Mutliply the bold numbers: 5· 3=15

Carry 1 to the column on the left and write 5 in the result line

	1
	4	5
×		3

Add the carried number to the multiplication: 1+4· 3=13

Carry 1 to the column on the left and write 3 in the result line

	1	1
		4	5
×			3

Add the carried digit, 1, to the result

	1	1
		4	5
×			3

=135

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Notebook

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

long multiplication 45*3

Solution

Solution steps

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