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 $\frac{2}{3} + \frac{1}{5} =$
答案: $\frac{10}{15}+\frac{3}{15}=\frac{13}{15}$
② $\frac{1}{5} + \frac{1}{7} =$
答案: $\frac{7}{35}+\frac{5}{35}=\frac{12}{35}$
③ $\frac{5}{8} - \frac{1}{5} =$
答案: $\frac{25}{40}-\frac{8}{40}=\frac{17}{40}$
④ $\frac{1}{4} - \frac{1}{6} =$
答案: $\frac{3}{12}-\frac{2}{12}=\frac{1}{12}$
⑤ $\frac{1}{6} - \frac{1}{9} =$
答案: $\frac{3}{18}-\frac{2}{18}=\frac{1}{18}$
⑥ $\frac{1}{7} - \frac{1}{9} =$
答案: $\frac{9}{63}-\frac{7}{63}=\frac{2}{63}$
⑦ $\frac{1}{8} - \frac{1}{9} =$
答案: $\frac{9}{72}-\frac{8}{72}=\frac{1}{72}$
⑧ $\frac{1}{4} + \frac{1}{8} =$
答案: $\frac{2}{8}+\frac{1}{8}=\frac{3}{8}$
⑨ $\frac{1}{3} + \frac{1}{4} =$
答案: $\frac{4}{12}+\frac{3}{12}=\frac{7}{12}$
⑩ $\frac{1}{2} - \frac{1}{3} =$
答案: $\frac{3}{6}-\frac{2}{6}=\frac{1}{6}$
⑪ $\frac{1}{2} + \frac{1}{9} =$
答案: $\frac{9}{18}+\frac{2}{18}=\frac{11}{18}$
⑫ $\frac{1}{3} - \frac{1}{8} =$
答案: $\frac{8}{24}-\frac{3}{24}=\frac{5}{24}$
⑬ $\frac{1}{2} - \frac{1}{10} =$
答案: $\frac{5}{10}-\frac{1}{10}=\frac{4}{10}=\frac{2}{5}$
⑭ $\frac{1}{4} + \frac{1}{6} =$
答案: $\frac{3}{12}+\frac{2}{12}=\frac{5}{12}$
⑮ $\frac{1}{4} - \frac{1}{7} =$
答案: $\frac{7}{28}-\frac{4}{28}=\frac{3}{28}$
⑯ $\frac{1}{7} - \frac{1}{8} =$
答案: $\frac{8}{56}-\frac{7}{56}=\frac{1}{56}$
⑰ $\frac{1}{8} - \frac{1}{10} =$
答案: $\frac{5}{40}-\frac{4}{40}=\frac{1}{40}$
⑱ $\frac{1}{2} + \frac{1}{5} =$
答案: $\frac{5}{10}+\frac{2}{10}=\frac{7}{10}$
⑲ $\frac{1}{6} - \frac{1}{7} =$
答案: $\frac{7}{42}-\frac{6}{42}=\frac{1}{42}$
⑳ $\frac{1}{3} + \frac{1}{5} =$
答案: $\frac{5}{15}+\frac{3}{15}=\frac{8}{15}$
㉑ $\frac{5}{16} - \frac{1}{8} =$
答案: $\frac{5}{16}-\frac{2}{16}=\frac{3}{16}$
㉒ $\frac{1}{3} + \frac{1}{15} =$
答案: $\frac{5}{15}+\frac{1}{15}=\frac{6}{15}=\frac{2}{5}$

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