1
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [_, 9] → [_, 4, 5] → [_, 2, _, 3] =
2
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [65] → [34, _] → [15, _, 12] → [_, 9, 10, _] =
3
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [46] → [17, 29] → [6, 11, _] → [_, _, 10, _] =
4
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [22, 25] → [_, 14, 11] → [_, 4, _, 1] =