以下是100道分数乘法练习题，涵盖基础运算和应用题类型，适合六年级学生练习：
一、基础运算题（40道）
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$\frac{2}{3} \times \frac{3}{4} = ？$
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$\frac{5}{6} \times \frac{2}{5} = ？$
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$\frac{7}{8} \times 4 = ？$
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$\frac{1}{2} \times \frac{1}{3} = ？$
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$\frac{3}{5} \times \frac{4}{7} = ？$
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$\frac{9}{10} \times \frac{5}{9} = ？$
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$\frac{4}{9} \times \frac{3}{8} = ？$
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$\frac{11}{12} \times \frac{2}{3} = ？$
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$\frac{6}{7} \times \frac{7}{8} = ？$
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$\frac{8}{9} \times \frac{3}{4} = ？$
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$\frac{5}{11} \times \frac{11}{12} = ？$
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$\frac{7}{10} \times \frac{5}{7} = ？$
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$\frac{1}{4} \times \frac{3}{5} = ？$
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$\frac{9}{11} \times \frac{2}{3} = ？$
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$\frac{6}{13} \times \frac{13}{14} = ？$
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$\frac{8}{15} \times \frac{5}{8} = ？$
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$\frac{3}{16} \times \frac{16}{17} = ？$
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$\frac{5}{19} \times \frac{19}{20} = ？$
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$\frac{7}{22} \times \frac{22}{23} = ？$
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$\frac{10}{13} \times \frac{13}{14} = ？$
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$\frac{4}{15} \times \frac{15}{16} = ？$
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$\frac{6}{17} \times \frac{17}{18} = ？$
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$\frac{8}{19} \times \frac{19}{20} = ？$
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$\frac{3}{22} \times \frac{22}{23} = ？$
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$\frac{5}{25} \times \frac{25}{26} = ？$
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$\frac{7}{33} \times \frac{33}{34} = ？$
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$\frac{1}{6} \times \frac{3}{5} = ？$
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$\frac{9}{14} \times \frac{2}{3} = ？$
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$\frac{4}{17} \times \frac{17}{18} = ？$
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$\frac{6}{21} \times \frac{21}{22} = ？$
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$\frac{8}{25} \times \frac{25}{26} = ？$
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$\frac{3}{34} \times \frac{34}{35} = ？$
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$\frac{5}{37} \times \frac{37}{38} = ？$
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$\frac{7}{41} \times \frac{41}{42} = ？$
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$\frac{1}{8} \times \frac{3}{4} = ？$
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$\frac{9}{16} \times \frac{2}{3} = ？$
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$\frac{4}{21} \times \frac{21}{22} = ？$
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$\frac{6}{25} \times \frac{25}{26} = ？$
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$\frac{8}{33} \times \frac{33}{34} = ？$
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$\frac{3}{38} \times \frac{38}{39} = ？$
二、应用题（30道）
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一辆汽车每分钟行驶 $\frac{7}{8}$ 千米，48分钟行驶多少千米？
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一个正方体灯笼框架棱