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一、口算。(每题1分,共32分)
$\frac{3}{5}÷\frac{2}{7}=$ $\frac{3}{8}÷\frac{3}{2}=$ $\frac{4}{15}×\frac{3}{4}=$ $\frac{4}{5}-0.5=$
$0.4×\frac{5}{8}=$ $1÷\frac{4}{5}=$ $\frac{10}{3}×\frac{3}{5}=$ $\frac{3}{7}÷5=$
$2+\frac{5}{9}=$ $\frac{7}{3}+\frac{1}{3}=$ $\frac{5}{6}×\frac{5}{8}=$ $\frac{5}{7}÷\frac{2}{5}=$
$15×\frac{4}{5}=$ $\frac{5}{9}÷\frac{2}{3}=$ $\frac{4}{7}÷\frac{1}{2}=$ $0.75÷\frac{1}{4}=$
$\frac{1}{5}×\frac{3}{4}=$ $\frac{2}{5}÷0.1=$ $\frac{3}{7}×\frac{1}{2}=$ $21+\frac{2}{3}=$
$\frac{2}{15}÷\frac{1}{6}=$ $\frac{4}{5}÷\frac{4}{3}=$ $\frac{3}{14}÷1.5=$ $\frac{4}{5}×\frac{5}{6}=$
$\frac{11}{20}÷\frac{11}{10}=$ $\frac{15}{7}×\frac{4}{5}=$ $\frac{6}{7}÷\frac{15}{28}=$ $26÷\frac{13}{7}=$
$\frac{9}{16}÷\frac{3}{16}=$ $\frac{13}{15}÷52=$ $1.5×\frac{7}{10}=$ $\frac{9}{8}÷\frac{5}{8}=$
$\frac{3}{5}÷\frac{2}{7}=$ $\frac{3}{8}÷\frac{3}{2}=$ $\frac{4}{15}×\frac{3}{4}=$ $\frac{4}{5}-0.5=$
$0.4×\frac{5}{8}=$ $1÷\frac{4}{5}=$ $\frac{10}{3}×\frac{3}{5}=$ $\frac{3}{7}÷5=$
$2+\frac{5}{9}=$ $\frac{7}{3}+\frac{1}{3}=$ $\frac{5}{6}×\frac{5}{8}=$ $\frac{5}{7}÷\frac{2}{5}=$
$15×\frac{4}{5}=$ $\frac{5}{9}÷\frac{2}{3}=$ $\frac{4}{7}÷\frac{1}{2}=$ $0.75÷\frac{1}{4}=$
$\frac{1}{5}×\frac{3}{4}=$ $\frac{2}{5}÷0.1=$ $\frac{3}{7}×\frac{1}{2}=$ $21+\frac{2}{3}=$
$\frac{2}{15}÷\frac{1}{6}=$ $\frac{4}{5}÷\frac{4}{3}=$ $\frac{3}{14}÷1.5=$ $\frac{4}{5}×\frac{5}{6}=$
$\frac{11}{20}÷\frac{11}{10}=$ $\frac{15}{7}×\frac{4}{5}=$ $\frac{6}{7}÷\frac{15}{28}=$ $26÷\frac{13}{7}=$
$\frac{9}{16}÷\frac{3}{16}=$ $\frac{13}{15}÷52=$ $1.5×\frac{7}{10}=$ $\frac{9}{8}÷\frac{5}{8}=$
答案
$\frac{21}{10}$、$\frac{1}{4}$、$\frac{1}{5}$、0.3、
0.25、$\frac{5}{4}$、2、$\frac{3}{35}$、
$2\frac{5}{9}$、$\frac{8}{3}$、$\frac{25}{48}$、$\frac{25}{14}$、
12、$\frac{5}{6}$、$\frac{8}{7}$、3、
$\frac{3}{20}$、4、$\frac{3}{14}$、$21\frac{2}{3}$、
$\frac{4}{5}$、$\frac{3}{5}$、$\frac{1}{7}$、$\frac{2}{3}$、
$\frac{1}{2}$、$\frac{12}{7}$、$\frac{8}{5}$、14、
3、$\frac{1}{60}$、$\frac{21}{20}$、$\frac{9}{5}$
0.25、$\frac{5}{4}$、2、$\frac{3}{35}$、
$2\frac{5}{9}$、$\frac{8}{3}$、$\frac{25}{48}$、$\frac{25}{14}$、
12、$\frac{5}{6}$、$\frac{8}{7}$、3、
$\frac{3}{20}$、4、$\frac{3}{14}$、$21\frac{2}{3}$、
$\frac{4}{5}$、$\frac{3}{5}$、$\frac{1}{7}$、$\frac{2}{3}$、
$\frac{1}{2}$、$\frac{12}{7}$、$\frac{8}{5}$、14、
3、$\frac{1}{60}$、$\frac{21}{20}$、$\frac{9}{5}$
二、在○里填上“＞”“＜”或“=”。(每题1分,共9分)
$\frac{6}{7} ÷ \frac{1}{5} ◯ \frac{6}{7}$
$\frac{1}{3} ÷ \frac{4}{3} ◯ \frac{1}{3}$
$\frac{13}{8} ÷ \frac{8}{3} ◯ \frac{13}{8}$
$\frac{11}{13} ÷ \frac{4}{9} ◯ \frac{4}{9}$
$\frac{11}{12} ÷ \frac{7}{6} ◯ \frac{11}{12} × \frac{7}{6}$
$8 ÷ \frac{1}{8} ◯ 8 ÷ \frac{1}{4}$
$\frac{5}{6} ÷ \frac{1}{2} ◯ \frac{5}{6} × 2$
$\frac{2}{3} ÷ \frac{3}{4} ◯ \frac{2}{3} × \frac{3}{4}$
$\frac{3}{2026} ◯ \frac{3}{2026} ÷ \frac{9}{8}$
$\frac{6}{7} ÷ \frac{1}{5} ◯ \frac{6}{7}$
$\frac{1}{3} ÷ \frac{4}{3} ◯ \frac{1}{3}$
$\frac{13}{8} ÷ \frac{8}{3} ◯ \frac{13}{8}$
$\frac{11}{13} ÷ \frac{4}{9} ◯ \frac{4}{9}$
$\frac{11}{12} ÷ \frac{7}{6} ◯ \frac{11}{12} × \frac{7}{6}$
$8 ÷ \frac{1}{8} ◯ 8 ÷ \frac{1}{4}$
$\frac{5}{6} ÷ \frac{1}{2} ◯ \frac{5}{6} × 2$
$\frac{2}{3} ÷ \frac{3}{4} ◯ \frac{2}{3} × \frac{3}{4}$
$\frac{3}{2026} ◯ \frac{3}{2026} ÷ \frac{9}{8}$
答案
＞、＜、＜、
＞、＜、＞、
=、＞、＞
＞、＜、＞、
=、＞、＞
三、在()里填上合适的数。(每空1分,共9分)
$(\quad)×\frac{13}{7}=1$
$\frac{5}{4}÷(\quad)=\frac{5}{6}$
$\frac{1}{7}÷(\quad)=\frac{1}{3}$
$\frac{3}{5}×(\quad)=\frac{2}{3}$
$\frac{2}{9}×(\quad)=\frac{10}{99}$
$12×(\quad)=\frac{9}{2}$
$2.5×(\quad)=1$
$4÷(\quad)=\frac{3}{5}$
$\frac{5}{4}÷(\quad)=\frac{10}{3}$
$(\quad)×\frac{13}{7}=1$
$\frac{5}{4}÷(\quad)=\frac{5}{6}$
$\frac{1}{7}÷(\quad)=\frac{1}{3}$
$\frac{3}{5}×(\quad)=\frac{2}{3}$
$\frac{2}{9}×(\quad)=\frac{10}{99}$
$12×(\quad)=\frac{9}{2}$
$2.5×(\quad)=1$
$4÷(\quad)=\frac{3}{5}$
$\frac{5}{4}÷(\quad)=\frac{10}{3}$
答案
$\frac{7}{13}$、$\frac{3}{2}$、$\frac{3}{7}$、
$\frac{10}{9}$、$\frac{5}{11}$、$\frac{3}{8}$、
0.4、$\frac{20}{3}$、$\frac{3}{8}$
$\frac{10}{9}$、$\frac{5}{11}$、$\frac{3}{8}$、
0.4、$\frac{20}{3}$、$\frac{3}{8}$
