$\frac{2}{5}+\frac{1}{6}=$ $0.875\times\frac{3}{14}=$ $\frac{11}{14}\times\frac{7}{22}=$
$\frac{9}{20}\div\frac{3}{5}=$ $6.4\div0.08=$ $\frac{2}{5}+\frac{3}{7}=$
$54\times\frac{4}{27}=$ $\frac{3}{4}-\frac{2}{9}=$ $12.56\div4=$
$40\div40\%=$ $\frac{5}{9}+\frac{1}{6}=$ $0.04\times32=$
$\frac{7}{10}\times\frac{5}{14}=$ $22.4\div7=$ $3.5+4.6=$
$\frac{5}{6}-0.5=$ $\frac{3}{10}\times\frac{5}{21}=$ $2\div\frac{2}{3}=$
$1.3\times8=$ $\frac{6}{7}-\frac{2}{3}=$ $\frac{13}{8}\times\frac{2}{39}=$
$2-\frac{5}{6}=$ $5.6\times3=$ $6\times4.4=$
$0.6\div0.15=$ $\frac{3}{8}\div\frac{9}{4}=$ $0.2+\frac{2}{5}=$
$\frac{5}{8}\times40=$ $6.75-0.8=$ $\frac{1}{2}\times\frac{5}{6}=$

$\frac{17}{30}$ $\frac{3}{16}$ $\frac{1}{4}$
$\frac{3}{4}$ 80 $\frac{29}{35}$
8 $\frac{19}{36}$ 3.14
100 $\frac{13}{18}$ 1.28
$\frac{1}{4}$ 3.2 8.1
$\frac{1}{3}$ $\frac{1}{14}$ 3
10.4 $\frac{4}{21}$ $\frac{1}{12}$
$\frac{7}{6}$ 16.8 26.4
4 $\frac{1}{6}$ 0.6
25 5.95 $\frac{5}{12}$

$x:\frac{9}{5}=\frac{1}{3}:0.6$ $\frac{3}{4}:x=3:12$ $6.8:x=2.4:4.8$

$x = 1$ $x = 3$ $x = 13.6$