《2025年心算口算巧算六年级上册北师大版》

计算下面各题。
$\frac{5}{4}×\frac{7}{8}=$
$\frac{2}{7}×\frac{3}{4}=$
$\frac{5}{6}×\frac{3}{8}=$
$\frac{2}{3}÷\frac{5}{4}=$
$\frac{5}{3}×\frac{9}{13}=$
$\frac{7}{8}×\frac{5}{14}=$
$\frac{13}{21}×\frac{7}{6}=$
$\frac{15}{32}×\frac{8}{9}=$
$\frac{5}{12}×\frac{4}{9}=$
$\frac{13}{27}×\frac{3}{26}=$
$\frac{11}{39}×\frac{13}{22}=$
$\frac{7}{20}×\frac{5}{14}=$
$\frac{5}{6}÷\frac{10}{7}=$
$\frac{11}{12}÷\frac{11}{36}=$
$\frac{12}{13}÷\frac{24}{65}=$
$\frac{7}{9}÷\frac{14}{27}=$
$\frac{9}{11}÷\frac{27}{22}=$
$\frac{9}{8}÷\frac{9}{16}=$
$\frac{3}{10}×5=$
$\frac{8}{27}×\frac{9}{4}=$
$\frac{7}{13}×\frac{13}{9}=$
$\frac{5}{2}×\frac{3}{10}=$
$\frac{6}{7}×\frac{3}{4}=$
$\frac{6}{17}×\frac{8}{21}=$
$\frac{7}{25}×\frac{10}{21}=$
$\frac{3}{8}×\frac{1}{6}=$
$\frac{4}{7}×\frac{5}{4}=$
$\frac{5}{24}×\frac{8}{15}=$
$\frac{7}{32}×\frac{8}{21}=$
$\frac{5}{7}×\frac{21}{10}=$

答案： $\frac{35}{32}$；$\frac{3}{14}$；$\frac{5}{16}$；$\frac{8}{15}$；$\frac{15}{13}$；$\frac{5}{16}$；$\frac{13}{18}$；$\frac{5}{12}$；$\frac{5}{27}$；$\frac{1}{18}$；$\frac{1}{6}$；$\frac{1}{8}$；$\frac{7}{12}$；3；$\frac{5}{2}$；$\frac{3}{2}$；$\frac{2}{3}$；2；$\frac{3}{2}$；$\frac{2}{3}$；$\frac{7}{9}$；$\frac{3}{4}$；$\frac{9}{14}$；$\frac{16}{119}$；$\frac{2}{15}$；$\frac{1}{16}$；$\frac{5}{7}$；$\frac{1}{9}$；$\frac{1}{12}$；$\frac{3}{2}$