expert Set 99 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [17, 17] → [8, _, 8]

Show answer

Answer: Row3[2]=9, Row1[1]=34

SubType
number-pyramid
Difficulty
expert
Levels
  • [34]
  • [17,17]
  • [8,9,8]
Base
  • 8
  • 9
  • 8
TopValue
34
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":0,"c":0,"v":34}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [14] → [11, _] → [10, _, 2]

Show answer

Answer: Row3[2]=1, Row2[2]=3

SubType
number-pyramid
Difficulty
expert
Levels
  • [14]
  • [11,3]
  • [10,1,2]
Base
  • 10
  • 1
  • 2
TopValue
14
HiddenCells
  • {"r":2,"c":1,"v":1}
  • {"r":1,"c":1,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [8, _] → [1, 7, _]

Show answer

Answer: Row3[3]=9, Row2[2]=16

SubType
number-pyramid
Difficulty
expert
Levels
  • [24]
  • [8,16]
  • [1,7,9]
Base
  • 1
  • 7
  • 9
TopValue
24
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":1,"c":1,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [13] → [_, 9] → [2, 2, _]

Show answer

Answer: Row3[3]=7, Row2[1]=4

SubType
number-pyramid
Difficulty
expert
Levels
  • [13]
  • [4,9]
  • [2,2,7]
Base
  • 2
  • 2
  • 7
TopValue
13
HiddenCells
  • {"r":2,"c":2,"v":7}
  • {"r":1,"c":0,"v":4}