科目： 来源： 题型：计算题
| 48×$\begin{array}{l}\frac{5}{12}\end{array}$×$\begin{array}{l}\frac{7}{8}\end{array}$ | 15÷$\begin{array}{l}\frac{5}{4}\end{array}$÷$\begin{array}{l}\frac{8}{7}\end{array}$ | $\frac{16}{25}$×$\begin{array}{l}\frac{15}{32}\end{array}$÷$\begin{array}{l}\frac{9}{10}\end{array}$ |
| $\begin{array}{l}\frac{6}{35}\end{array}$÷$\begin{array}{l}\frac{15}{14}\end{array}$×$\begin{array}{l}\frac{5}{21}\end{array}$ | $\begin{array}{l}\frac{39}{56}\end{array}$×$\begin{array}{l}\frac{8}{13}\end{array}$÷$\begin{array}{l}\frac{6}{35}\end{array}$ | $\begin{array}{l}\frac{15}{32}\end{array}$÷$\begin{array}{l}\frac{3}{4}\end{array}$×$\begin{array}{l}\frac{16}{25}\end{array}$ |
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