medium Set 14 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 26] → [_, 9, 17] → [2, 1, _, _]

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Answer: Row1[1]=38, Row3[1]=3, Row4[3]=8, Row4[4]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [12,26]
  • [3,9,17]
  • [2,1,8,9]
Base
  • 2
  • 1
  • 8
  • 9
TopValue
38
HiddenCells
  • {"r":0,"c":0,"v":38}
  • {"r":2,"c":0,"v":3}
  • {"r":3,"c":2,"v":8}
  • {"r":3,"c":3,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [64] → [36, 28] → [18, _, 10] → [8, _, _, _]

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Answer: Row3[2]=18, Row4[3]=8, Row4[2]=10, Row4[4]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [64]
  • [36,28]
  • [18,18,10]
  • [8,10,8,2]
Base
  • 8
  • 10
  • 8
  • 2
TopValue
64
HiddenCells
  • {"r":2,"c":1,"v":18}
  • {"r":3,"c":2,"v":8}
  • {"r":3,"c":1,"v":10}
  • {"r":3,"c":3,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [35] → [21, 14] → [11, 10, _] → [3, _, _, _]

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Answer: Row4[2]=8, Row4[4]=2, Row3[3]=4, Row4[3]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [35]
  • [21,14]
  • [11,10,4]
  • [3,8,2,2]
Base
  • 3
  • 8
  • 2
  • 2
TopValue
35
HiddenCells
  • {"r":3,"c":1,"v":8}
  • {"r":3,"c":3,"v":2}
  • {"r":2,"c":2,"v":4}
  • {"r":3,"c":2,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [32, _] → [15, 17, _] → [7, 8, _, 1]

Show answer

Answer: Row1[1]=59, Row3[3]=10, Row4[3]=9, Row2[2]=27

SubType
number-pyramid
Difficulty
medium
Levels
  • [59]
  • [32,27]
  • [15,17,10]
  • [7,8,9,1]
Base
  • 7
  • 8
  • 9
  • 1
TopValue
59
HiddenCells
  • {"r":0,"c":0,"v":59}
  • {"r":2,"c":2,"v":10}
  • {"r":3,"c":2,"v":9}
  • {"r":1,"c":1,"v":27}