1
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [12, _] → [_, 4, 4] =
2
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [34] → [20, _] → [10, 10, _] =
3
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [_, 11] → [_, 10, 1] =
4
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [14] → [7, _] → [3, _, 3] =