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Quiz
Arithmetic
5 problems similar to:
\frac{ \frac{ 25 }{ 5 } }{ \frac{ 5 }{ 25 } } < \frac{ 3 }{ 2 }
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\frac{25\times 25}{5\times 5}<\frac{3}{2}
Divide \frac{25}{5} by \frac{5}{25} by multiplying \frac{25}{5} by the reciprocal of \frac{5}{25}.
25<\frac{3}{2}
Cancel out 5\times 5 in both numerator and denominator.
\frac{50}{2}<\frac{3}{2}
Convert 25 to fraction \frac{50}{2}.
\text{false}
Compare \frac{50}{2} and \frac{3}{2}.
Examples
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Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
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Limits
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