1
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [45] → [17, _] → [5, _, _] → [2, _, 9, 7] =
2
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [13, 10] → [_, 6, _] → [2, _, _, 3] =
3
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [52] → [_, 22] → [16, 14, 8] → [_, _, _, 3] =
4
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [27, 19] → [16, 11, 8] → [_, _, 1, _] =