2026年同步练习册青岛出版社六年级数学上册青岛版第80页答案
1. 口算。
口算(1)
同学们,这里有40道题目,每做对1道题可夺得一面旗,比一比5分钟的时间里,谁夺得的旗帜最多。
$\frac{22}{25} ÷ 11=$     $\frac{4}{27} × \frac{3}{8}=$     $\frac{3}{5} × 45=$     $\frac{1}{2} × \frac{1}{3} × \frac{1}{4}=$
$\frac{1}{7} × \frac{14}{9}=$     $\frac{8}{9} ÷ \frac{2}{3}=$     $\frac{5}{4} × \frac{1}{50}=$     $49 × \frac{3}{7} × \frac{6}{7}=$
$\frac{8}{9} ÷ 4=$     $\frac{9}{14} × \frac{7}{15}=$     $\frac{3}{8} ÷ \frac{1}{3}=$     $\frac{3}{8} ÷ \frac{1}{8} × \frac{1}{9}=$
$6 ÷ \frac{3}{4}=$     $\frac{7}{10} ÷ \frac{14}{15}=$     $\frac{2}{3} × \frac{5}{8}=$     $\frac{5}{6} × \frac{1}{3} ÷ \frac{5}{9}=$
$\frac{7}{39} × \frac{3}{7}=$     $\frac{14}{5} × \frac{3}{8}=$     $\frac{19}{20} × 2=$     $\frac{1}{6} × \frac{3}{5} × \frac{2}{3}=$
$\frac{7}{9} ÷ 6=$     $\frac{7}{16} × \frac{4}{21}=$     $\frac{5}{9} ÷ \frac{4}{9}=$     $\frac{3}{4} ÷ \frac{1}{3} × \frac{7}{9}=$
$\frac{3}{14} ÷ \frac{3}{7}=$     $\frac{3}{16} × \frac{8}{9}=$     $\frac{5}{8} ÷ \frac{5}{6}=$     $\frac{2}{25} × \frac{5}{12} × 6=$
$\frac{2}{9} ÷ \frac{3}{11}=$     $\frac{7}{16} × \frac{8}{21}=$     $\frac{8}{9} ÷ \frac{4}{5}=$     $\frac{3}{4} × \frac{1}{9} × 18=$
$\frac{7}{8} ÷ \frac{1}{6}=$     $\frac{7}{13} × 39=$     $\frac{3}{10} ÷ \frac{9}{2}=$     $\frac{5}{11} × \frac{6}{7} × \frac{11}{12}=$
$\frac{24}{5} × \frac{3}{8}=$     $\frac{9}{16} × \frac{8}{27}=$     $480 ÷ \frac{24}{5}=$     $1 ÷ \frac{8}{9} ÷ \frac{9}{16}=$
结果统计:我夺了(
)面旗帜。

答案

$\frac{22}{25} ÷ 11=\frac{2}{25}$
$\frac{4}{27} × \frac{3}{8}=\frac{1}{18}$
$\frac{3}{5} × 45=27$
$\frac{1}{2} × \frac{1}{3} × \frac{1}{4}=\frac{1}{24}$
$\frac{1}{7} × \frac{14}{9}=\frac{2}{9}$
$\frac{8}{9} ÷ \frac{2}{3}=\frac{4}{3}$
$\frac{5}{4} × \frac{1}{50}=\frac{1}{40}$
$49 × \frac{3}{7} × \frac{6}{7}=18$
$\frac{8}{9} ÷ 4=\frac{2}{9}$
$\frac{9}{14} × \frac{7}{15}=\frac{3}{10}$
$\frac{3}{8} ÷ \frac{1}{3}=\frac{9}{8}$
$\frac{3}{8} ÷ \frac{1}{8} × \frac{1}{9}=\frac{1}{3}$
$6 ÷ \frac{3}{4}=8$
$\frac{7}{10} ÷ \frac{14}{15}=\frac{3}{4}$
$\frac{2}{3} × \frac{5}{8}=\frac{5}{12}$
$\frac{5}{6} × \frac{1}{3} ÷ \frac{5}{9}=\frac{1}{2}$
$\frac{7}{39} × \frac{3}{7}=\frac{1}{13}$
$\frac{14}{5} × \frac{3}{8}=\frac{21}{20}$
$\frac{19}{20} × 2=\frac{19}{10}$
$\frac{1}{6} × \frac{3}{5} × \frac{2}{3}=\frac{1}{15}$
$\frac{7}{9} ÷ 6=\frac{7}{54}$
$\frac{7}{16} × \frac{4}{21}=\frac{1}{12}$
$\frac{5}{9} ÷ \frac{4}{9}=\frac{5}{4}$
$\frac{3}{4} ÷ \frac{1}{3} × \frac{7}{9}=\frac{7}{4}$
$\frac{3}{14} ÷ \frac{3}{7}=\frac{1}{2}$
$\frac{3}{16} × \frac{8}{9}=\frac{1}{6}$
$\frac{5}{8} ÷ \frac{5}{6}=\frac{3}{4}$
$\frac{2}{25} × \frac{5}{12} × 6=\frac{1}{5}$
$\frac{2}{9} ÷ \frac{3}{11}=\frac{22}{27}$
$\frac{7}{16} × \frac{8}{21}=\frac{1}{6}$
$\frac{8}{9} ÷ \frac{4}{5}=\frac{10}{9}$
$\frac{3}{4} × \frac{1}{9} × 18=3$
$\frac{7}{8} ÷ \frac{1}{6}=\frac{21}{4}$
$\frac{7}{13} × 39=21$
$\frac{3}{10} ÷ \frac{9}{2}=\frac{1}{15}$
$\frac{5}{11} × \frac{6}{7} × \frac{11}{12}=\frac{5}{14}$
$\frac{24}{5} × \frac{3}{8}=\frac{9}{5}$
$\frac{9}{16} × \frac{8}{27}=\frac{1}{6}$
$480 ÷ \frac{24}{5}=100$
$1 ÷ \frac{8}{9} ÷ \frac{9}{16}=2$
结果统计:我夺了(40)面旗帜。