1
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [60] → [_, _] → [_, 18, _] → [5, 9, 9, 1] =
2
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 18] → [12, 8, 10] → [_, _, 5, 5] =
3
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [36, _] → [_, 18, _] → [9, 9, 9, 4] =
4
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 21] → [_, 8, 13] → [3, 1, _, _] =