Think Forum › Forums › Math Kangaroo › Math Kangaroo Level 3-4 This forum has 10 topics, 9 replies, and was last updated 4 years ago by Think Expert. Forum Topics Posts Last Post Compiled Questions by Knowledge Point Combinatorics (3, 3)Cycle/ Periodic Problem (1, 1)Geometry (2, 2)Inverse Operation Problems (1, 1)Profit and Loss Problem (1, 1)Sum, Difference and Multiple (1, 1) 9 18 4 years ago Think Expert Viewing topic 1 (of 1 total) Topic Voices Posts Last Post All Past Questions Started by: liuyisha 1 1 4 years ago liuyisha Viewing topic 1 (of 1 total) You must be logged in to create new topics. Log In Username: Password: Keep me signed in Log In Log in / Register