Class 6 unit 3 exercise 3.2 July 8, 2019 16 32 64 128 Class 9 math unit 3 exercise 3.2 question 6 6 class unit 3 Class 6 math unit 3 review exercise Grade 6 unit 3 lesson 6 practice problems Student book 6 unit 3 lesson 3 English unit 3 class 6