2.1.8 Mupad

A grade: { }

B grade: { 4, 9, 12, 19, 24, 30, 37, 40, 46, 47, 48, 50 }

C grade: { }

F grade: { 1, 2, 3, 5, 6, 7, 8, 10, 11, 13, 14, 15, 16, 17, 18, 20, 21, 22, 23, 25, 26, 27, 28, 29, 31, 32, 33, 34, 35, 36, 38, 39, 41, 42, 43, 44, 45, 49 }