《2025年口算天天练每日5分钟六年级数学上册苏教版》

一、在○里填“＞”“＜”或“=”。
$\frac{2}{3}×\frac{4}{5}$＜$\frac{2}{3}$
$\frac{2}{3}×\frac{3}{2}$=$5×\frac{1}{5}$
$2×\frac{1}{2}$＞$1×\frac{1}{2}$
$\frac{3}{10}×\frac{8}{7}$＜$\frac{8}{7}$
$\frac{8}{11}×1$＜$\frac{8}{11}×\frac{11}{8}$
$\frac{4}{9}×\frac{3}{4}$＜$\frac{4}{9}×\frac{4}{3}$
$\frac{4}{13}×\frac{6}{5}$＞$\frac{4}{13}$
$\frac{5}{6}×\frac{6}{5}$=$\frac{3}{7}×\frac{7}{3}$
$\frac{8}{11}×\frac{1}{4}$=$\frac{4}{11}×\frac{1}{2}$
$\frac{17}{10}×\frac{3}{7}$＜$\frac{17}{10}$
$\frac{1}{11}×10$＜$\frac{1}{10}×11$
$\frac{7}{4}×1$＞$\frac{7}{4}×\frac{1}{2}$

答案： ＜
=
＞
＜
＜
＜
＞
=
=
＜
＜
＞

二、计算下面各题。
$\frac{3}{4}×\frac{5}{9}×\frac{2}{15}$
$\frac{3}{4}×\frac{5}{7}×\frac{21}{20}$
$\frac{3}{4}×\frac{6}{11}×\frac{2}{21}$
$\frac{4}{21}×\frac{9}{25}×\frac{35}{48}$
$\frac{7}{9}×\frac{3}{5}×\frac{5}{21}$
$\frac{36}{48}×\frac{8}{15}×\frac{6}{7}$
$\frac{5}{7}×\frac{28}{13}×\frac{2}{7}$
$\frac{2}{3}×\frac{13}{8}×\frac{4}{39}$
$\frac{4}{5}×4×\frac{7}{18}$
$\frac{5}{8}×\frac{3}{7}×\frac{4}{9}$
$\frac{19}{20}×\frac{4}{9}×\frac{25}{38}$
$\frac{11}{18}×\frac{5}{3}×\frac{9}{5}$
$\frac{40}{13}×39×\frac{7}{80}$
$\frac{15}{16}×\frac{20}{21}×\frac{1}{5}$
$\frac{9}{10}×\frac{2}{3}×\frac{5}{6}$
$12×\frac{3}{4}×\frac{4}{7}$
$\frac{3}{5}×\frac{1}{6}×\frac{5}{7}$
$\frac{10}{21}×\frac{12}{25}×\frac{7}{8}$

答案： $\frac{1}{18}$
$\frac{9}{16}$
$\frac{3}{77}$
$\frac{1}{20}$
$\frac{1}{9}$
$\frac{12}{35}$
$\frac{40}{91}$
$\frac{1}{9}$
$\frac{56}{45}$
$\frac{5}{42}$
$\frac{5}{18}$
$\frac{11}{6}$
$\frac{21}{2}$
$\frac{5}{28}$
$\frac{1}{2}$
$\frac{36}{7}$
$\frac{1}{14}$
$\frac{1}{5}$