2025年文墨小学数学口算心算天天练五年级下册人教版


注:目前有些书本章节名称可能整理的还不是很完善,但都是按照顺序排列的,请同学们按照顺序仔细查找。练习册 2025年文墨小学数学口算心算天天练五年级下册人教版 答案主要是用来给同学们做完题方便对答案用的,请勿直接抄袭。



《2025年文墨小学数学口算心算天天练五年级下册人教版》

① $\frac{3}{4}$的$\frac{2}{7}$是( )
答案: $\frac{3}{4}×\frac{2}{7}=\frac{6}{28}=\frac{3}{14}$
② $\frac{1}{5}$的$\frac{1}{4}$是( )
答案: $\frac{1}{5}×\frac{1}{4}=\frac{1}{20}$
③ $\frac{5}{6}$的$\frac{2}{3}$是( )
答案: $\frac{5}{6}×\frac{2}{3}=\frac{10}{18}=\frac{5}{9}$
④ $\frac{1}{3}$的$\frac{1}{2}$是( )
答案: $\frac{1}{3}×\frac{1}{2}=\frac{1}{6}$
⑤ $\frac{5}{11}$的$\frac{7}{9}$是( )
答案: $\frac{5}{11}×\frac{7}{9}=\frac{35}{99}$
⑥ $\frac{3}{34}$的$\frac{17}{18}$是( )
答案: $\frac{3}{34}×\frac{17}{18}=\frac{51}{612}=\frac{1}{12}$
⑦ $\frac{1}{15}$的$\frac{5}{9}$是( )
答案: $\frac{1}{15}×\frac{5}{9}=\frac{5}{135}=\frac{1}{27}$
⑧ $\frac{3}{5}$的$\frac{5}{12}$是( )
答案: $\frac{3}{5}×\frac{5}{12}=\frac{15}{60}=\frac{1}{4}$
⑨ $\frac{4}{15}$的$\frac{5}{8}$是( )
答案: $\frac{4}{15}×\frac{5}{8}=\frac{20}{120}=\frac{1}{6}$
⑩ $\frac{4}{9}$的$\frac{3}{4}$是( )
答案: $\frac{4}{9}×\frac{3}{4}=\frac{12}{36}=\frac{1}{3}$
⑪ $\frac{7}{8}$的$\frac{9}{14}$是( )
答案: $\frac{7}{8}×\frac{9}{14}=\frac{63}{112}=\frac{9}{16}$
⑫ $\frac{7}{10}$的$\frac{1}{70}$是( )
答案: $\frac{7}{10}×\frac{1}{70}=\frac{7}{700}=\frac{1}{100}$
⑬ $\frac{1}{2}$的$\frac{4}{29}$是( )
答案: $\frac{1}{2}×\frac{4}{29}=\frac{4}{58}=\frac{2}{29}$
⑭ 180的$\frac{1}{15}$是( )
答案: $180×\frac{1}{15}=12$
⑮ $\frac{4}{5}$的$\frac{5}{10}$是( )
答案: $\frac{4}{5}×\frac{5}{10}=\frac{20}{50}=\frac{2}{5}$
⑯ $\frac{1}{16}$的$\frac{4}{9}$是( )
答案: $\frac{1}{16}×\frac{4}{9}=\frac{4}{144}=\frac{1}{36}$
⑰ $\frac{1}{2}$的$\frac{1}{3}$是( )
答案: $\frac{1}{2}×\frac{1}{3}=\frac{1}{6}$
⑱ $\frac{1}{4}$的$\frac{5}{7}$是( )
答案: $\frac{1}{4}×\frac{5}{7}=\frac{5}{28}$
⑲ $\frac{7}{10}$的$\frac{1}{2}$是( )
答案: $\frac{7}{10}×\frac{1}{2}=\frac{7}{20}$
⑳ $\frac{9}{13}$的$\frac{1}{4}$是( )
答案: $\frac{9}{13}×\frac{1}{4}=\frac{9}{52}$
㉑ $\frac{1}{3}$的$\frac{9}{90}$是( )
答案: $\frac{1}{3}×\frac{9}{90}=\frac{9}{270}=\frac{1}{30}$
㉒ $\frac{5}{10}$的$\frac{4}{15}$是( )
答案: $\frac{5}{10}×\frac{4}{15}=\frac{20}{150}=\frac{2}{15}$

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