《2025年口算训练六年级数学上册人教版双色升级版》

$\frac {2}{5}×\frac {1}{24}= $
$\frac {5}{9}×\frac {1}{15}= $
$\frac {1}{4}×\frac {1}{44}= $
$\frac {5}{8}×\frac {1}{25}= $
$\frac {7}{12}×\frac {33}{14}= $
$\frac {7}{10}×\frac {25}{21}= $
$\frac {4}{15}×\frac {9}{10}= $
$\frac {3}{8}×\frac {32}{63}= $
$\frac {15}{7}×\frac {14}{45}= $
$\frac {5}{11}×\frac {44}{15}= $
$\frac {6}{13}×\frac {26}{27}= $
$\frac {13}{6}×\frac {15}{26}= $
$\frac {5}{6}×\frac {36}{55}= $

答案： $\frac{2}{5}×\frac{1}{24}=\frac{2×1}{5×24}=\frac{1}{60}$
$\frac{5}{9}×\frac{1}{15}=\frac{5×1}{9×15}=\frac{1}{27}$
$\frac{1}{4}×\frac{1}{44}=\frac{1×1}{4×44}=\frac{1}{176}$
$\frac{5}{8}×\frac{1}{25}=\frac{5×1}{8×25}=\frac{1}{40}$
$\frac{7}{12}×\frac{33}{14}=\frac{7×33}{12×14}=\frac{11}{8}$
$\frac{7}{10}×\frac{25}{21}=\frac{7×25}{10×21}=\frac{5}{6}$
$\frac{4}{15}×\frac{9}{10}=\frac{4×9}{15×10}=\frac{6}{25}$
$\frac{3}{8}×\frac{32}{63}=\frac{3×32}{8×63}=\frac{4}{21}$
$\frac{15}{7}×\frac{14}{45}=\frac{15×14}{7×45}=\frac{2}{3}$
$\frac{5}{11}×\frac{44}{15}=\frac{5×44}{11×15}=\frac{4}{3}$
$\frac{6}{13}×\frac{26}{27}=\frac{6×26}{13×27}=\frac{4}{9}$
$\frac{13}{6}×\frac{15}{26}=\frac{13×15}{6×26}=\frac{5}{4}$
$\frac{5}{6}×\frac{36}{55}=\frac{5×36}{6×55}=\frac{6}{11}$

$\frac {3}{10}×110=$33
$1.44×\frac {1}{12}=$0.12
$\frac {5}{8}×\frac {4}{75}=$$\frac{1}{30}$
$\frac {5}{27}×\frac {63}{20}=$$\frac{7}{12}$
$\frac {15}{4}×\frac {8}{27}=$$\frac{10}{9}$
$\frac {1}{6}×\frac {33}{28}=$$\frac{11}{56}$
$7.7×\frac {1}{7}=$1.1
$\frac {2}{17}×\frac {17}{2}=$1
$\frac {1}{15}×0.15=$0.01
$2.5×\frac {1}{5}=$0.5
$\frac {1}{9}×9.9=$1.1
$\frac {12}{5}×\frac {7}{18}=$$\frac{14}{15}$
$6.6×\frac {4}{11}=$2.4

答案： 解析：
这些题目都是基础的分数乘法和小数乘法题目，主要考察乘法运算以及分数与小数之间的转换。我们直接进行计算即可。
答案：
1. $\frac{3}{10} × 110 = 33$
2. $1.44 × \frac{1}{12} = 0.12$
3. $\frac{5}{8} × \frac{4}{75} = \frac{1}{30}$
4. $\frac{5}{27} × \frac{63}{20} = \frac{7}{12}$
5. $\frac{15}{4} × \frac{8}{27} = \frac{10}{9}$
6. $\frac{1}{6} × \frac{33}{28} = \frac{11}{56}$
7. $7.7 × \frac{1}{7} = 1.1$
8. $\frac{2}{17} × \frac{17}{2} = 1$
9. $\frac{1}{15} × 0.15 = 0.01$
10. $2.5 × \frac{1}{5} = 0.5$
11. $\frac{1}{9} × 9.9 = 1.1$
12. $\frac{12}{5} × \frac{7}{18} = \frac{14}{15}$
13. $6.6 × \frac{4}{11} = 2.4$

$\frac {1}{15}×\frac {9}{10}=$$\frac{3}{50}$
$10×\frac {17}{25}=$$\frac{34}{5}$
$\frac {1}{30}×\frac {16}{7}=$$\frac{8}{105}$
$\frac {3}{18}×\frac {2}{15}=$$\frac{1}{45}$
$\frac {49}{50}×\frac {5}{14}=$$\frac{7}{20}$
$\frac {3}{28}×\frac {4}{5}=$$\frac{3}{35}$
$\frac {9}{14}×\frac {14}{15}=$$\frac{3}{5}$
$51×\frac {2}{3}=$34
$\frac {5}{26}×6=$$\frac{15}{13}$
$\frac {2}{13}×\frac {13}{60}=$$\frac{1}{30}$
$\frac {3}{17}×\frac {7}{9}=$$\frac{7}{51}$
$57×\frac {3}{19}=$9
$\frac {5}{72}×\frac {3}{10}=$$\frac{1}{48}$

答案： 解析：这些题目都是分数乘法的基础练习。根据分数乘法的规则，两个分数相乘，分子乘分子作为新的分子，分母乘分母作为新的分母。能约分的先约分，再计算。
答案：
1. $\frac{1}{15} × \frac{9}{10} = \frac{3}{50}$
2. $10 × \frac{17}{25} = \frac{34}{5}$
3. $\frac{1}{30} × \frac{16}{7} = \frac{8}{105}$
4. $\frac{3}{18} × \frac{2}{15} = \frac{1}{45}$
5. $\frac{49}{50} × \frac{5}{14} = \frac{7}{20}$
6. $\frac{3}{28} × \frac{4}{5} = \frac{3}{35}$
7. $\frac{9}{14} × \frac{14}{15} = \frac{3}{5}$
8. $51 × \frac{2}{3} = 34$
9. $\frac{5}{26} × 6 = \frac{15}{13}$
10. $\frac{2}{13} × \frac{13}{60} = \frac{1}{30}$
11. $\frac{3}{17} × \frac{7}{9} = \frac{7}{51}$
12. $57 × \frac{3}{19} = 9$
13. $\frac{5}{72} × \frac{3}{10} = \frac{1}{48}$