Insert the missing number.
|
7 |
3 |
3 |
|
21 |
12 |
15 |
|
63 |
48 |
75 |
|
189 |
192 |
? |
1
480
2
197
3
284
4
375
Insert the missing number.
|
7 |
3 |
3 |
|
21 |
12 |
15 |
|
63 |
48 |
75 |
|
189 |
192 |
? |