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 $11×\frac{1}{3}=$
答案: $\frac{11}{3}$
$11×\frac{1}{3}=\frac{11}{3}$
② $15×\frac{3}{4}=$
答案: $\frac{45}{4}$
$15×\frac{3}{4}=\frac{45}{4}$
③ $6×\frac{4}{11}=$
答案: $\frac{24}{11}$
$6×\frac{4}{11}=\frac{24}{11}$
④ $72×\frac{3}{8}=$
答案: 27
$72×\frac{3}{8}=9×3=27$
⑤ $72×\frac{1}{60}=$
答案: $\frac{6}{5}$
$72×\frac{1}{60}=\frac{72}{60}=\frac{6}{5}$
⑥ $270×\frac{7}{90}=$
答案: 21
$270×\frac{7}{90}=3×7=21$
⑦ $144×\frac{5}{12}=$
答案: 60
$144×\frac{5}{12}=12×5=60$
⑧ $81×\frac{7}{9}=$
答案: 63
$81×\frac{7}{9}=9×7=63$
⑨ $121×\frac{2}{11}=$
答案: 22
$121×\frac{2}{11}=11×2=22$
⑩ $\frac{5}{6}×54=$
答案: 45
$\frac{5}{6}×54=5×9=45$
⑪ $\frac{5}{8}×64=$
答案: 40
$\frac{5}{8}×64=5×8=40$
⑫ $9×\frac{1}{72}=$
答案: $\frac{1}{8}$
$9×\frac{1}{72}=\frac{9}{72}=\frac{1}{8}$
⑬ $10×\frac{7}{90}=$
答案: $\frac{7}{9}$
$10×\frac{7}{90}=\frac{70}{90}=\frac{7}{9}$
⑭ $24×\frac{8}{6}=$
答案: 32
$24×\frac{8}{6}=4×8=32$
⑮ $11×\frac{9}{44}=$
答案: $\frac{9}{4}$
$11×\frac{9}{44}=\frac{99}{44}=\frac{9}{4}$
⑯ $17×\frac{3}{34}=$
答案: $\frac{3}{2}$
$17×\frac{3}{34}=\frac{51}{34}=\frac{3}{2}$
⑰ $2×\frac{4}{17}=$
答案: $\frac{8}{17}$
$2×\frac{4}{17}=\frac{8}{17}$
⑱ $7×\frac{2}{21}=$
答案: $\frac{2}{3}$
$7×\frac{2}{21}=\frac{14}{21}=\frac{2}{3}$
⑲ $15×\frac{17}{30}=$
答案: $\frac{17}{2}$
$15×\frac{17}{30}=\frac{255}{30}=\frac{17}{2}$
⑳ $5×\frac{4}{6}=$
答案: $\frac{10}{3}$
$5×\frac{4}{6}=\frac{20}{6}=\frac{10}{3}$
㉑ $8×\frac{3}{7}=$
答案: $\frac{24}{7}$
$8×\frac{3}{7}=\frac{24}{7}$
㉒ $63×\frac{7}{9}=$
答案: 49
$63×\frac{7}{9}=7×7=49$

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