$700 - 299 =$ $0.74\div37\% =$ $278\div25\div0.4 =$
$\frac{7}{16}\times\frac{4}{21} =$ $365 + 435 =$ $\frac{13}{8} + 3\div8 =$
$35\div20 =$ $\frac{5}{63}\times\frac{6}{5} =$ $1 - \frac{5}{3}\times\frac{1}{3} =$
$\frac{14}{15}\times\frac{5}{14} =$ $\frac{3}{8} + \frac{2}{3} =$ $20\div100\div0.1 =$
$9.85 - 1.95 =$ $96\div1.6 =$ $9 - \frac{1}{4} - \frac{7}{4} =$
$25\times48 =$ $\frac{4}{5} + \frac{3}{8} =$ $(3 + \frac{3}{8})\div\frac{3}{8} =$
$\frac{9}{10} - \frac{4}{7} =$ $800\div1600 =$ $2 - 0.75 + 0.25 =$
$\frac{3}{10}\div\frac{6}{5} =$ $3.14\times16 =$ $\frac{7}{8} - \frac{5}{13} + \frac{1}{8} =$
$\frac{9}{35}\times\frac{7}{5} =$ $\frac{4}{5} - \frac{3}{10} =$ $8\div\frac{2}{3}\times50 =$
$250 - 32 =$ $\frac{2}{9}\div\frac{4}{15} =$ $2.3\times12.5\times0.8 =$

401 2 27.8
$\frac{1}{12}$ 800 2
1.75 $\frac{2}{21}$ $\frac{4}{9}$
$\frac{1}{3}$ $\frac{25}{24}$ 2
7.9 60 7
1200 $\frac{47}{40}$ 9
$\frac{23}{70}$ 0.5 1.5
$\frac{1}{4}$ 50.24 $\frac{8}{13}$
$\frac{9}{25}$ $\frac{1}{2}$ 600
218 $\frac{5}{6}$ 23

$\frac{x}{4} = \frac{4}{9}$ $\frac{5}{3}:x = 0.25:\frac{9}{4}$ $x\div(\frac{5}{6} - \frac{3}{8}) = \frac{3}{11}$

$x = \frac{16}{9}$ $x = 15$ $x = \frac{1}{8}$