$\frac{7}{8}-\frac{4}{7}=$ $\frac{2}{65}\times\frac{13}{24}=$ $0.125\div0.25=$
$\frac{7}{10}\times\frac{16}{5}=$ $\frac{2}{7}+2=$ $\frac{2}{3}-\frac{1}{2}=$
$2.7+2.7=$ $4 - 80\%=$ $\frac{9}{14}\div\frac{3}{7}=$
$\frac{5}{12}\div\frac{5}{29}=$ $0.1\times0.01=$ $136 - 78=$
$0.69\times200=$ $\frac{8}{9}\div\frac{1}{3}=$ $\frac{2}{5}+\frac{3}{7}=$
$5.6\div10\%=$ $0.03^{2}=$ $4.05 - 0.5=$
$\frac{5}{6}\times\frac{5}{8}=$ $\frac{5}{9}\div\frac{2}{3}=$ $\frac{6}{11}\times\frac{22}{27}=$
$\frac{7}{4}+25\%=$ $32.8 - 19.8=$ $\frac{13}{15}-\frac{1}{4}=$
$1 - 0.75=$ $\frac{3}{2}\times\frac{2}{15}=$ $\frac{4}{5}\div\frac{2}{15}=$
$\frac{5}{4}\div\frac{2}{15}=$ $\frac{2}{3}+\frac{3}{5}=$ $46\times20\%=$

$\frac{17}{56}$ $\frac{1}{60}$ 0.5
$\frac{56}{25}$ $2\frac{2}{7}$ $\frac{1}{6}$
5.4 3.2 $\frac{3}{2}$
$\frac{29}{12}$ 0.001 58
138 $\frac{8}{3}$ $\frac{29}{35}$
56 0.0009 3.55
$\frac{25}{48}$ $\frac{5}{6}$ $\frac{4}{9}$
2 13 $\frac{37}{60}$
0.25 $\frac{1}{5}$ 6
$\frac{75}{8}$ $\frac{19}{15}$ 9.2

$x:\frac{1}{3}=\frac{3}{8}:\frac{3}{4}$ $2.5x - 4\times1.6 = 3.6$ $x-\frac{3}{7}x=\frac{8}{11}\times\frac{1}{7}$

$x = \frac{1}{6}$ $x = 4$ $x = \frac{2}{11}$