1
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [25, _, _] → [17, _, 8, 17] → [_, 7, 1, _, 10] =
2
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [98] → [_, _] → [29, _, 19] → [16, 13, 12, _] → [_, _, _, 6, _] =
3
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 68] → [_, 37, _] → [_, _, 20, _] → [6, 7, _, 10, 1] =
4
Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 28] → [_, _, 19] → [9, 3, _, 13] → [7, _, _, 5, _] =