《2025年阳光同学计算小达人五年级数学下册冀教版》

1. 直接写出得数。（建议 2 分钟完成）
$\frac{9}{26}×2 =$ $\frac{1}{72}×4 =$ $30×\frac{5}{3} =$ $\frac{6}{11}×22 =$
$\frac{3}{10}×\frac{5}{7} =$ $\frac{8}{5}×\frac{5}{16} =$ $\frac{8}{9}×\frac{15}{16} =$ $\frac{9}{10}×\frac{80}{81} =$
$4×\frac{3}{8} =$ $15×\frac{7}{25} =$ $\frac{5}{6}×18 =$ $\frac{9}{17}×\frac{34}{45} =$
$\frac{7}{3}×\frac{3}{7} =$ $\frac{5}{6}×\frac{2}{15} =$ $\frac{5}{12}×\frac{18}{25} =$ $\frac{14}{15}×\frac{5}{7} =$

答案： $\frac{9}{13}$@@$\frac{1}{18}$@@50@@12@@$\frac{3}{14}$@@$\frac{1}{2}$@@$\frac{5}{6}$@@$\frac{8}{9}$@@$\frac{3}{2}$@@$\frac{21}{5}$@@15@@$\frac{2}{5}$@@1@@$\frac{1}{9}$@@$\frac{3}{10}$@@$\frac{2}{3}$

2. 在〇里填上“＞”“＜”或“＝”。（建议 2 分钟完成）
$\frac{6}{5}×30$〇$35$ $0×\frac{13}{24}$〇$0 + \frac{13}{24}$ $\frac{5}{7}×\frac{1}{3}$〇$\frac{3}{4}×\frac{1}{3}$
$\frac{4}{5}×\frac{1}{20}$〇$\frac{3}{5}$ $\frac{8}{9}×\frac{6}{7}$〇$\frac{6}{7}×\frac{4}{3}$ $\frac{9}{10}×\frac{1}{2}$〇$\frac{1}{2}×\frac{9}{10}$

答案： ＞@@＜@@＜@@＜@@＜@@=

3. 计算下面各题，能简算的要简算。（建议 6 分钟完成）
$\frac{4}{3}×\frac{5}{11} + \frac{6}{11}×\frac{4}{3}$ $21×(\frac{1}{21} + \frac{1}{15})×15$
$(\frac{6}{7} - \frac{3}{8})×\frac{8}{9}$ $\frac{3}{8} + \frac{5}{8}×\frac{2}{5}$ $\frac{3}{2}×\frac{7}{6} - \frac{1}{5}$
$\frac{7}{9}×\frac{17}{16} + \frac{15}{16}×\frac{7}{9}$ $\frac{7}{8}×(\frac{5}{6} - \frac{3}{4})$ $(\frac{5}{9} + \frac{1}{4})×\frac{2}{3}$

答案： $\frac{4}{3}$@@36@@$\frac{3}{7}$@@$\frac{5}{8}$@@$\frac{31}{20}$@@$\frac{14}{9}$@@$\frac{7}{96}$@@$\frac{29}{54}$