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false
Quiz
Arithmetic
5 problems similar to:
( 3 + \frac { 25 } { 4 } ) + 6 = - 8 + ( 3 + \frac { 25 } { 4 } )
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\frac{12}{4}+\frac{25}{4}+6=-8+3+\frac{25}{4}
Convert 3 to fraction \frac{12}{4}.
\frac{12+25}{4}+6=-8+3+\frac{25}{4}
Since \frac{12}{4} and \frac{25}{4} have the same denominator, add them by adding their numerators.
\frac{37}{4}+6=-8+3+\frac{25}{4}
Add 12 and 25 to get 37.
\frac{37}{4}+\frac{24}{4}=-8+3+\frac{25}{4}
Convert 6 to fraction \frac{24}{4}.
\frac{37+24}{4}=-8+3+\frac{25}{4}
Since \frac{37}{4} and \frac{24}{4} have the same denominator, add them by adding their numerators.
\frac{61}{4}=-8+3+\frac{25}{4}
Add 37 and 24 to get 61.
\frac{61}{4}=-5+\frac{25}{4}
Add -8 and 3 to get -5.
\frac{61}{4}=-\frac{20}{4}+\frac{25}{4}
Convert -5 to fraction -\frac{20}{4}.
\frac{61}{4}=\frac{-20+25}{4}
Since -\frac{20}{4} and \frac{25}{4} have the same denominator, add them by adding their numerators.
\frac{61}{4}=\frac{5}{4}
Add -20 and 25 to get 5.
\text{false}
Compare \frac{61}{4} and \frac{5}{4}.
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
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y = 3x + 4
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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}