1
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [45] → [22, 23] → [_, 12, 11] → [_, _, _, _] → [_, _, 4, _, 3] =
2
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [46, _] → [27, 19, 23] → [_, 11, _, 15] → [_, 9, _, _, _] =
3
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [130] → [61, 69] → [_, _, _] → [_, _, 18, _] → [_, 5, 9, _, 10] =
4
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 19, _] → [10, 7, 12, 16] → [_, 2, _, _, 9] =