Evaluate
24552
Factor
2^{3}\times 3^{2}\times 11\times 31
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\begin{array}{c}\phantom{\times99}248\\\underline{\times\phantom{999}99}\\\end{array}
First line up the numbers vertically and match the places from the right like this.
\begin{array}{c}\phantom{\times99}248\\\underline{\times\phantom{999}99}\\\phantom{\times9}2232\\\end{array}
Now multiply the first number with the 1^{st} digit in 2^{nd} number to get intermediate results. That is Multiply 248 with 9. Write the result 2232 at the end leaving 0 spaces to the right like this.
\begin{array}{c}\phantom{\times99}248\\\underline{\times\phantom{999}99}\\\phantom{\times9}2232\\\underline{\phantom{\times}2232\phantom{9}}\\\end{array}
Now multiply the first number with the 2^{nd} digit in 2^{nd} number to get intermediate results. That is Multiply 248 with 9. Write the result 2232 at the end leaving 1 spaces to the right like this.
\begin{array}{c}\phantom{\times99}248\\\underline{\times\phantom{999}99}\\\phantom{\times9}2232\\\underline{\phantom{\times}2232\phantom{9}}\\\phantom{\times}24552\end{array}
Now add the intermediate results to get final answer.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}