3:35 to 4:35 PM, Mar 3th. AST time(1 hour with no extention), must above 85

3 solving problems, tutorial problem attached below

Book:Elements of Modern Algebra by J. Gilbert and L. Gilbert

Concepts: 3.2 to 3.6(Properties of group elements, subgroups,cyclic groups and subgroups,Generators, infinite and finite cyclic groups,order of elements. Isomorphisms,homomorphisms, kernel, image)

.must above 85