1
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [27, _] → [17, 10, 5] → [_, _, _, 2] → [_, 5, _, _, 1] =
2
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [104] → [45, _] → [18, _, 32] → [7, 11, _, _] → [_, _, _, 10, _] =
3
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [122] → [_, _] → [31, _, 25] → [12, _, 14, _] → [_, 9, 10, _, _] =
4
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 39] → [18, _, 22] → [10, _, 9, _] → [_, 6, _, 7, _] =