31 Test file number 52

  31.1 Problem number 289
  31.2 Problem number 290
  31.3 Problem number 573
  31.4 Problem number 577
  31.5 Problem number 580
  31.6 Problem number 915

Test folder name:

test_cases/1_Algebraic_functions/1.3_Miscellaneous/52_1.3.2_Algebraic_functions