根据下图写出算式,算一算(大长方形表示“1”)

答案:
$\frac{5}{6} × \frac{1}{2} = \frac{5}{12}$
解方程
$\frac {5}{7}x= 5$
$x=$
$\frac {1}{8}x= \frac {5}{16}$
$x=$
$\frac {3}{5}x= \frac {4}{7}$
$x=$
$\frac {4}{7}x= \frac {2}{3}$
$x=$
$\frac {2}{5}x= \frac {4}{5}$
$x=$
$\frac {3}{7}x= 5$
$x=$
$\frac {1}{2}x= \frac {2}{7}$
$x=$
$\frac {1}{2}x= \frac {1}{9}$
$x=$
$1.25x= \frac {1}{8}$
$x=$
$\frac {3}{5}x= \frac {2}{5}$
$x=$
$\frac {4}{5}x= \frac {7}{30}$
$x=$
$\frac {2}{3}x= \frac {4}{9}$
$x=$
$\frac {2}{3}x= \frac {1}{6}$
$x=$
$\frac {7}{18}x= \frac {7}{9}$
$x=$
$\frac {5}{8}x= \frac {1}{5}$
$x=$
$\frac {5}{7}x= 5$
$x=$
7
$\frac {1}{8}x= \frac {5}{16}$
$x=$
$\frac{5}{2}$
$\frac {3}{5}x= \frac {4}{7}$
$x=$
$\frac{20}{21}$
$\frac {4}{7}x= \frac {2}{3}$
$x=$
$\frac{7}{6}$
$\frac {2}{5}x= \frac {4}{5}$
$x=$
2
$\frac {3}{7}x= 5$
$x=$
$\frac{35}{3}$
$\frac {1}{2}x= \frac {2}{7}$
$x=$
$\frac{4}{7}$
$\frac {1}{2}x= \frac {1}{9}$
$x=$
$\frac{2}{9}$
$1.25x= \frac {1}{8}$
$x=$
$\frac{1}{10}$
$\frac {3}{5}x= \frac {2}{5}$
$x=$
$\frac{2}{3}$
$\frac {4}{5}x= \frac {7}{30}$
$x=$
$\frac{7}{24}$
$\frac {2}{3}x= \frac {4}{9}$
$x=$
$\frac{2}{3}$
$\frac {2}{3}x= \frac {1}{6}$
$x=$
$\frac{1}{4}$
$\frac {7}{18}x= \frac {7}{9}$
$x=$
2
$\frac {5}{8}x= \frac {1}{5}$
$x=$
$\frac{8}{25}$
答案:
解:$\frac{5}{7}x=5$
$x=5÷\frac{5}{7}$
$x=5×\frac{7}{5}$
$x=7$
解:$\frac{1}{8}x=\frac{5}{16}$
$x=\frac{5}{16}÷\frac{1}{8}$
$x=\frac{5}{16}×8$
$x=\frac{5}{2}$
解:$\frac{3}{5}x=\frac{4}{7}$
$x=\frac{4}{7}÷\frac{3}{5}$
$x=\frac{4}{7}×\frac{5}{3}$
$x=\frac{20}{21}$
解:$\frac{4}{7}x=\frac{2}{3}$
$x=\frac{2}{3}÷\frac{4}{7}$
$x=\frac{2}{3}×\frac{7}{4}$
$x=\frac{7}{6}$
解:$\frac{2}{5}x=\frac{4}{5}$
$x=\frac{4}{5}÷\frac{2}{5}$
$x=\frac{4}{5}×\frac{5}{2}$
$x=2$
解:$\frac{3}{7}x=5$
$x=5÷\frac{3}{7}$
$x=5×\frac{7}{3}$
$x=\frac{35}{3}$
解:$\frac{1}{2}x=\frac{2}{7}$
$x=\frac{2}{7}÷\frac{1}{2}$
$x=\frac{2}{7}×2$
$x=\frac{4}{7}$
解:$\frac{1}{2}x=\frac{1}{9}$
$x=\frac{1}{9}÷\frac{1}{2}$
$x=\frac{1}{9}×2$
$x=\frac{2}{9}$
解:$1.25x=\frac{1}{8}$
$x=\frac{1}{8}÷1.25$
$x=\frac{1}{8}÷\frac{5}{4}$
$x=\frac{1}{8}×\frac{4}{5}$
$x=\frac{1}{10}$
解:$\frac{3}{5}x=\frac{2}{5}$
$x=\frac{2}{5}÷\frac{3}{5}$
$x=\frac{2}{5}×\frac{5}{3}$
$x=\frac{2}{3}$
解:$\frac{4}{5}x=\frac{7}{30}$
$x=\frac{7}{30}÷\frac{4}{5}$
$x=\frac{7}{30}×\frac{5}{4}$
$x=\frac{7}{24}$
解:$\frac{2}{3}x=\frac{4}{9}$
$x=\frac{4}{9}÷\frac{2}{3}$
$x=\frac{4}{9}×\frac{3}{2}$
$x=\frac{2}{3}$
解:$\frac{2}{3}x=\frac{1}{6}$
$x=\frac{1}{6}÷\frac{2}{3}$
$x=\frac{1}{6}×\frac{3}{2}$
$x=\frac{1}{4}$
解:$\frac{7}{18}x=\frac{7}{9}$
$x=\frac{7}{9}÷\frac{7}{18}$
$x=\frac{7}{9}×\frac{18}{7}$
$x=2$
解:$\frac{5}{8}x=\frac{1}{5}$
$x=\frac{1}{5}÷\frac{5}{8}$
$x=\frac{1}{5}×\frac{8}{5}$
$x=\frac{8}{25}$
$x=5÷\frac{5}{7}$
$x=5×\frac{7}{5}$
$x=7$
解:$\frac{1}{8}x=\frac{5}{16}$
$x=\frac{5}{16}÷\frac{1}{8}$
$x=\frac{5}{16}×8$
$x=\frac{5}{2}$
解:$\frac{3}{5}x=\frac{4}{7}$
$x=\frac{4}{7}÷\frac{3}{5}$
$x=\frac{4}{7}×\frac{5}{3}$
$x=\frac{20}{21}$
解:$\frac{4}{7}x=\frac{2}{3}$
$x=\frac{2}{3}÷\frac{4}{7}$
$x=\frac{2}{3}×\frac{7}{4}$
$x=\frac{7}{6}$
解:$\frac{2}{5}x=\frac{4}{5}$
$x=\frac{4}{5}÷\frac{2}{5}$
$x=\frac{4}{5}×\frac{5}{2}$
$x=2$
解:$\frac{3}{7}x=5$
$x=5÷\frac{3}{7}$
$x=5×\frac{7}{3}$
$x=\frac{35}{3}$
解:$\frac{1}{2}x=\frac{2}{7}$
$x=\frac{2}{7}÷\frac{1}{2}$
$x=\frac{2}{7}×2$
$x=\frac{4}{7}$
解:$\frac{1}{2}x=\frac{1}{9}$
$x=\frac{1}{9}÷\frac{1}{2}$
$x=\frac{1}{9}×2$
$x=\frac{2}{9}$
解:$1.25x=\frac{1}{8}$
$x=\frac{1}{8}÷1.25$
$x=\frac{1}{8}÷\frac{5}{4}$
$x=\frac{1}{8}×\frac{4}{5}$
$x=\frac{1}{10}$
解:$\frac{3}{5}x=\frac{2}{5}$
$x=\frac{2}{5}÷\frac{3}{5}$
$x=\frac{2}{5}×\frac{5}{3}$
$x=\frac{2}{3}$
解:$\frac{4}{5}x=\frac{7}{30}$
$x=\frac{7}{30}÷\frac{4}{5}$
$x=\frac{7}{30}×\frac{5}{4}$
$x=\frac{7}{24}$
解:$\frac{2}{3}x=\frac{4}{9}$
$x=\frac{4}{9}÷\frac{2}{3}$
$x=\frac{4}{9}×\frac{3}{2}$
$x=\frac{2}{3}$
解:$\frac{2}{3}x=\frac{1}{6}$
$x=\frac{1}{6}÷\frac{2}{3}$
$x=\frac{1}{6}×\frac{3}{2}$
$x=\frac{1}{4}$
解:$\frac{7}{18}x=\frac{7}{9}$
$x=\frac{7}{9}÷\frac{7}{18}$
$x=\frac{7}{9}×\frac{18}{7}$
$x=2$
解:$\frac{5}{8}x=\frac{1}{5}$
$x=\frac{1}{5}÷\frac{5}{8}$
$x=\frac{1}{5}×\frac{8}{5}$
$x=\frac{8}{25}$
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