What is a missing number in the red box?
2
What is a missing number in the red box?
1
What is a missing number in the red box?
2
What is a missing number in the red box?
2
What is a missing number in the red box?
4
What is a missing number in the red box?
2
What is a missing number in the red box?
1
What is a missing number in the red box?
4
What is a missing number in the red box?
2
What is a missing number in the red box?
4
What is a missing number in the red box?
3
What is a missing number in the red box?
1
What is a missing number in the red box?
3
What is a missing number in the red box?
3
What is a missing number in the red box?
3
What is a missing number in the red box?
3
What is a missing number in the red box?
1
What is a missing number in the red box?
4