2. 10 x 6 = 60 6 x 6 / 2 = 18 18 + 60 = 78 78 u³
3. 5 x 5 = 25 25 x 6 = 150 150 u³
4. 1 x 1 = 1 1 x 8 = 8 8 u³
5. 10 x 8 = 80 80 u³
6. 10 x 12 = 120 120 u³
7. 2 x 2 = 4 4 x 6 = 24 24 u³
8. 1 x 3 = 3 4 x 8 = 32 32 - 1 = 31 31 + 3 = 34 34 u³
9. 9 x 5 = 45 4 x 5 = 20 20 + 45 = 65 65 u³
Hope this helps!
