medium Set 89 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [22, 29] → [_, 11, _] → [9, 2, _, 9]

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Answer: Row3[1]=11, Row1[1]=51, Row4[3]=9, Row3[3]=18

SubType
number-pyramid
Difficulty
medium
Levels
  • [51]
  • [22,29]
  • [11,11,18]
  • [9,2,9,9]
Base
  • 9
  • 2
  • 9
  • 9
TopValue
51
HiddenCells
  • {"r":2,"c":0,"v":11}
  • {"r":0,"c":0,"v":51}
  • {"r":3,"c":2,"v":9}
  • {"r":2,"c":2,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [36] → [_, 16] → [9, 11, _] → [1, _, _, 2]

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Answer: Row2[1]=20, Row4[2]=8, Row4[3]=3, Row3[3]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [36]
  • [20,16]
  • [9,11,5]
  • [1,8,3,2]
Base
  • 1
  • 8
  • 3
  • 2
TopValue
36
HiddenCells
  • {"r":1,"c":0,"v":20}
  • {"r":3,"c":1,"v":8}
  • {"r":3,"c":2,"v":3}
  • {"r":2,"c":2,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [48] → [_, 23] → [10, 15, _] → [_, _, 6, 2]

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Answer: Row3[3]=8, Row4[2]=9, Row2[1]=25, Row4[1]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [48]
  • [25,23]
  • [10,15,8]
  • [1,9,6,2]
Base
  • 1
  • 9
  • 6
  • 2
TopValue
48
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"r":3,"c":1,"v":9}
  • {"r":1,"c":0,"v":25}
  • {"r":3,"c":0,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [34] → [_, 19] → [_, 8, 11] → [4, _, 5, _]

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Answer: Row3[1]=7, Row4[4]=6, Row2[1]=15, Row4[2]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [34]
  • [15,19]
  • [7,8,11]
  • [4,3,5,6]
Base
  • 4
  • 3
  • 5
  • 6
TopValue
34
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":3,"c":3,"v":6}
  • {"r":1,"c":0,"v":15}
  • {"r":3,"c":1,"v":3}