1
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [85] → [_, _] → [_, 20, _] → [13, _, 8, _] → [_, 6, _, 2, 10] =
2
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [53] → [_, _] → [_, _, _] → [7, _, 6, _] → [4, _, 4, 2, 5] =
3
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [22, _] → [_, 10, 14] → [_, 4, _, 8] → [_, _, 3, _, 5] =
4
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [65] → [_, _] → [9, _, 28] → [5, 4, 10, _] → [_, _, 1, _, _] =