1填空题
填空题答案仅供参考
题目答案
分子分母$\frac {a \cdot c} {b \cdot d}$
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答案解析
暂无解析
["分子","分母","$\\frac {a \\cdot c} {b \\cdot d}$"]
2填空题
填空题答案仅供参考
题目答案
颠倒位置相乘$\frac {a} {b} \cdot \frac {d} {c}$$\frac {a \cdot d} {b \cdot c}$
您的答案
答案解析
暂无解析
["颠倒位置","相乘","$\\frac {a} {b} \\cdot \\frac {d} {c}$","$\\frac {a \\cdot d} {b \\cdot c}$"]