CadyMath

#1. \(\frac{7}{10}+\lparen-\frac{4}{7}\rparen\)

\(-5\)

\(-\frac{54}{35}\)

\(5\)

\(\frac{9}{70}\)

#2. \(\frac{2}{5}+\lparen-\frac{2}{3}\rparen\)

\(-0.314\)

\(-\frac{4}{15}\)

\(1\)

\(\frac{61}{15}\)

#3. \(\lparen-2\rparen+\lparen-\frac{5}{7}\rparen\)

\(-1.949\)

\(-\frac{15}{7}\)

\(-\frac{19}{7}\)

\(\frac{9}{7}\)

#4. \(\lparen-4\rparen+\frac{1}{5}\)

\(-4.452\)

\(-\frac{19}{5}\)

\(0\)

\(\frac{19}{5}\)

#5. \(\frac{13}{3}+\frac{14}{3}\)

\(-\frac{64}{3}\)

\(6\)

\(9\)

\(\frac{2}{5}\)

#6. \(9+\frac{17}{6}\)

\(-\frac{55}{3}\)

\(1\)

\(2\)

\(\frac{71}{6}\)

#7. \(\frac{7}{4}+\lparen-\frac{18}{7}\rparen\)

\(-0.949\)

\(-\frac{23}{28}\)

\(\frac{36}{7}\)

\(\frac{3}{2}\)

#8. \(\frac{13}{4}+\frac{10}{3}\)

\(-7.872\)

\(-1.288\)

\(-\frac{79}{12}\)

\(\frac{79}{12}\)

#9. \(\lparen-\frac{8}{3}\rparen-\frac{3}{5}\)

\(-0.671\)

\(-\frac{49}{15}\)

\(9\)

\(\frac{49}{15}\)

#10. \(\frac{1}{2}-\lparen-1\rparen\)

\(-10\)

\(-1.827\)

\(\frac{19}{2}\)

\(\frac{3}{2}\)

#11. \(\lparen-1\rparen-\frac{3}{4}\)

\(-4\)

\(-\frac{7}{4}\)

\(7\)

\(\frac{5}{7}\)

#12. \(\frac{7}{2}-1\)

\(-7\)

\(-2.661\)

\(-0.161\)

\(\frac{5}{2}\)

#13. \(\lparen-\frac{14}{3}\rparen-\lparen-\frac{15}{7}\rparen\)

\(-26\)

\(-\frac{53}{21}\)

\(32\)

\(\frac{53}{21}\)

#14. \(\lparen-4\rparen-4\)

\(-8\)

\(-1\)

\(-\frac{1}{2}\)

\(1\)

#15. \(\frac{15}{4}-\frac{16}{9}\)

\(-3.593\)

\(-1\)

\(1\)

\(\frac{71}{36}\)

#16. \(\lparen-\frac{14}{5}\rparen-\frac{19}{5}\)

\(-\frac{33}{5}\)

\(-\frac{36}{5}\)

\(1\)

\(\frac{33}{5}\)