多加练习
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| ▭\:\longdivision{▭} | \times \twostack{▭}{▭} | + \twostack{▭}{▭} | - \twostack{▭}{▭} | \left( | \right) | \times | \square\frac{\square}{\square} |
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| - \twostack{▭}{▭} | \lt | 7 | 8 | 9 | \div | AC |
| + \twostack{▭}{▭} | \gt | 4 | 5 | 6 | \times | \square\frac{\square}{\square} |
| \times \twostack{▭}{▭} | \left( | 1 | 2 | 3 | - | x |
| ▭\:\longdivision{▭} | \right) | . | 0 | = | + | y |
matrix-calculator
\begin{pmatrix}\frac{25i-7sqrt\left(3\right)}{10sqrt\left(2\right)}&\frac{6isqrt\left(6\right)}{5}\\ \frac{7+25isqrt\left(3\right)}{10sqrt\left(2\right)}&\frac{-6isqrt\left(2\right)}{5}\end{pmatrix}\cdot\begin{pmatrix}\frac{25i+7sqrt\left(3\right)}{10sqrt\left(2\right)}&\frac{7-25isqrt\left(3\right)}{10sqrt\left(2\right)}\\ \frac{-6isqrt\left(6\right)}{5}&\frac{6isqrt\left(2\right)}{5}\end{pmatrix}
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