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 $42÷\frac{6}{23}=$
答案: $42÷\frac{6}{23}=42×\frac{23}{6}=161$
② $\frac{5}{6}÷\frac{1}{12}=$
答案: $\frac{5}{6}÷\frac{1}{12}=\frac{5}{6}×12=10$
③ $27÷\frac{9}{30}=$
答案: $27÷\frac{9}{30}=27×\frac{30}{9}=90$
④ $\frac{7}{9}÷\frac{2}{3}=$
答案: $\frac{7}{9}÷\frac{2}{3}=\frac{7}{9}×\frac{3}{2}=\frac{21}{18}=\frac{7}{6}$
⑤ $\frac{3}{4}÷\frac{1}{2}=$
答案: $\frac{3}{4}÷\frac{1}{2}=\frac{3}{4}×2=\frac{6}{4}=\frac{3}{2}$
⑥ $\frac{3}{4}÷\frac{15}{18}=$
答案: $\frac{3}{4}÷\frac{15}{18}=\frac{3}{4}×\frac{18}{15}=\frac{54}{60}=\frac{9}{10}$
⑦ $\frac{1}{18}÷\frac{5}{6}=$
答案: $\frac{1}{18}÷\frac{5}{6}=\frac{1}{18}×\frac{6}{5}=\frac{6}{90}=\frac{1}{15}$
⑧ $\frac{3}{4}÷\frac{5}{8}=$
答案: $\frac{3}{4}÷\frac{5}{8}=\frac{3}{4}×\frac{8}{5}=\frac{24}{20}=\frac{6}{5}$
⑨ $\frac{5}{6}÷\frac{7}{10}=$
答案: $\frac{5}{6}÷\frac{7}{10}=\frac{5}{6}×\frac{10}{7}=\frac{50}{42}=\frac{25}{21}$
⑩ $\frac{3}{2}÷3=$
答案: $\frac{3}{2}÷3=\frac{3}{2}×\frac{1}{3}=\frac{3}{6}=\frac{1}{2}$
⑪ $\frac{1}{3}÷\frac{11}{9}=$
答案: $\frac{1}{3}÷\frac{11}{9}=\frac{1}{3}×\frac{9}{11}=\frac{9}{33}=\frac{3}{11}$
⑫ $\frac{9}{20}÷\frac{3}{2}=$
答案: $\frac{9}{20}÷\frac{3}{2}=\frac{9}{20}×\frac{2}{3}=\frac{18}{60}=\frac{3}{10}$
⑬ $\frac{1}{5}÷\frac{7}{10}=$
答案: $\frac{1}{5}÷\frac{7}{10}=\frac{1}{5}×\frac{10}{7}=\frac{10}{35}=\frac{2}{7}$
⑭ $\frac{5}{3}÷\frac{11}{18}=$
答案: $\frac{5}{3}÷\frac{11}{18}=\frac{5}{3}×\frac{18}{11}=\frac{90}{33}=\frac{30}{11}$
⑮ $\frac{4}{11}÷\frac{8}{3}=$
答案: $\frac{4}{11}÷\frac{8}{3}=\frac{4}{11}×\frac{3}{8}=\frac{12}{88}=\frac{3}{22}$
⑯ $\frac{6}{7}÷\frac{6}{7}=$
答案: $\frac{6}{7}÷\frac{6}{7}=\frac{6}{7}×\frac{7}{6}=1$
⑰ $\frac{2}{7}÷\frac{5}{14}=$
答案: $\frac{2}{7}÷\frac{5}{14}=\frac{2}{7}×\frac{14}{5}=\frac{28}{35}=\frac{4}{5}$
⑱ $\frac{5}{63}÷\frac{15}{9}=$
答案: $\frac{5}{63}÷\frac{15}{9}=\frac{5}{63}×\frac{9}{15}=\frac{45}{945}=\frac{1}{21}$
⑲ $\frac{2}{3}÷\frac{7}{9}=$
答案: $\frac{2}{3}÷\frac{7}{9}=\frac{2}{3}×\frac{9}{7}=\frac{18}{21}=\frac{6}{7}$
⑳ $\frac{7}{13}÷\frac{21}{39}=$
答案: $\frac{7}{13}÷\frac{21}{39}=\frac{7}{13}×\frac{39}{21}=\frac{273}{273}=1$
㉑ $\frac{15}{8}÷\frac{5}{16}=$
答案: $\frac{15}{8}÷\frac{5}{16}=\frac{15}{8}×\frac{16}{5}=6$
㉒ $\frac{11}{20}÷\frac{22}{30}=$
答案: $\frac{11}{20}÷\frac{22}{30}=\frac{11}{20}×\frac{30}{22}=\frac{330}{440}=\frac{3}{4}$

查看更多完整答案,请扫码查看

关闭