Question

3upon 8 *9upon 4
18 upon 4 - 6 upon 4​

Answer 1

1)

12 72

32 32

2)

12 upon 4

Explanation:

1)

3 × 9

8 4

3×4 9×8

8×4 4×8

12 72

32 32

2)

18 - 6

4 4

18 - 6

4

12

4