Math Kangaroo G3-4袋鼠数学竞赛 G3-4Starting September 14, 2026September 14, 2026 开始Grades 3-4Grades 3-4Mr. MaIn Person or Online线下与线上Session: 1 hour每次课:1 hourTotal: 30 hours总课时:30 小时8 seats open剩余 8 个名额Book Course预订课程