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在〇里填上“＞”“＜”或“=”
$\frac{5}{7}$__$\frac{4}{5}$ $\frac{3}{8}$__$\frac{1}{3}$ $\frac{3}{7}$__$\frac{11}{21}$
$\frac{3}{4}$__$\frac{5}{6}$ $\frac{5}{6}$__$\frac{5}{8}$ $\frac{1}{2}$__$\frac{5}{9}$
$\frac{3}{4}$__$\frac{4}{7}$ $\frac{5}{12}$__$\frac{2}{5}$ $\frac{5}{6}$__$\frac{6}{5}$
$\frac{1}{3}$__$\frac{1}{2}$__$\frac{5}{9}$ $\frac{7}{8}$__$\frac{8}{9}$ $\frac{4}{5}$__$\frac{7}{10}$__$\frac{3}{10}$
在〇里填上“＞”“＜”或“=”
$\frac{5}{7}$__$\frac{4}{5}$ $\frac{3}{8}$__$\frac{1}{3}$ $\frac{3}{7}$__$\frac{11}{21}$
$\frac{3}{4}$__$\frac{5}{6}$ $\frac{5}{6}$__$\frac{5}{8}$ $\frac{1}{2}$__$\frac{5}{9}$
$\frac{3}{4}$__$\frac{4}{7}$ $\frac{5}{12}$__$\frac{2}{5}$ $\frac{5}{6}$__$\frac{6}{5}$
$\frac{1}{3}$__$\frac{1}{2}$__$\frac{5}{9}$ $\frac{7}{8}$__$\frac{8}{9}$ $\frac{4}{5}$__$\frac{7}{10}$__$\frac{3}{10}$
答案：
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答案：
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