Topic: Integer and Rational Numbers

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Answers
$1: -37$
$2: 24$
$3: -51$
$4: 13$
$5: 70$
$6: -16$
$7: 35$
$8: -4$
$9: \frac{1}{3}$
$10: \frac{2}{7}$
$11: \frac{5}{14}$
$12: \frac{13}{75}$
$13: \frac{3}{8}$
$14: \frac{5}{3}$
$15: 4$
$16: \frac{21}{50}$
$17: \frac{1}{81}$
$18: \frac{7}{24}$
$19: \frac{-1}{8}$
$20: \frac{4}{45}$
$21: 39$
$22: 0$