medium Set 91 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [22, _] → [_, 11, 18] → [_, 3, 8, 10]

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Answer: Row1[1]=51, Row3[1]=11, Row4[1]=8, Row2[2]=29

SubType
number-pyramid
Difficulty
medium
Levels
  • [51]
  • [22,29]
  • [11,11,18]
  • [8,3,8,10]
Base
  • 8
  • 3
  • 8
  • 10
TopValue
51
HiddenCells
  • {"r":0,"c":0,"v":51}
  • {"r":2,"c":0,"v":11}
  • {"r":3,"c":0,"v":8}
  • {"r":1,"c":1,"v":29}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [33, _] → [18, 15, _] → [9, 9, 6, _]

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Answer: Row3[3]=10, Row4[4]=4, Row2[2]=25, Row1[1]=58

SubType
number-pyramid
Difficulty
medium
Levels
  • [58]
  • [33,25]
  • [18,15,10]
  • [9,9,6,4]
Base
  • 9
  • 9
  • 6
  • 4
TopValue
58
HiddenCells
  • {"r":2,"c":2,"v":10}
  • {"r":3,"c":3,"v":4}
  • {"r":1,"c":1,"v":25}
  • {"r":0,"c":0,"v":58}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [47] → [21, 26] → [7, _, _] → [_, 4, 10, _]

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Answer: Row3[2]=14, Row4[1]=3, Row3[3]=12, Row4[4]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [21,26]
  • [7,14,12]
  • [3,4,10,2]
Base
  • 3
  • 4
  • 10
  • 2
TopValue
47
HiddenCells
  • {"r":2,"c":1,"v":14}
  • {"r":3,"c":0,"v":3}
  • {"r":2,"c":2,"v":12}
  • {"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): [52] → [27, _] → [12, _, _] → [6, _, 9, 1]

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Answer: Row2[2]=25, Row3[3]=10, Row4[2]=6, Row3[2]=15

SubType
number-pyramid
Difficulty
medium
Levels
  • [52]
  • [27,25]
  • [12,15,10]
  • [6,6,9,1]
Base
  • 6
  • 6
  • 9
  • 1
TopValue
52
HiddenCells
  • {"r":1,"c":1,"v":25}
  • {"r":2,"c":2,"v":10}
  • {"r":3,"c":1,"v":6}
  • {"r":2,"c":1,"v":15}