medium Set 86 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [_, _] → [8, _, 5] → [_, 4, 3, 2]

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Answer: Row2[2]=12, Row2[1]=15, Row4[1]=4, Row3[2]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [27]
  • [15,12]
  • [8,7,5]
  • [4,4,3,2]
Base
  • 4
  • 4
  • 3
  • 2
TopValue
27
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"r":1,"c":0,"v":15}
  • {"r":3,"c":0,"v":4}
  • {"r":2,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [9, _] → [5, 4, _] → [2, _, _, 8]

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Answer: Row4[3]=1, Row3[3]=9, Row2[2]=13, Row4[2]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [22]
  • [9,13]
  • [5,4,9]
  • [2,3,1,8]
Base
  • 2
  • 3
  • 1
  • 8
TopValue
22
HiddenCells
  • {"r":3,"c":2,"v":1}
  • {"r":2,"c":2,"v":9}
  • {"r":1,"c":1,"v":13}
  • {"r":3,"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): [_] → [17, _] → [11, _, 5] → [9, 2, _, 1]

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Answer: Row4[3]=4, Row2[2]=11, Row1[1]=28, Row3[2]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [28]
  • [17,11]
  • [11,6,5]
  • [9,2,4,1]
Base
  • 9
  • 2
  • 4
  • 1
TopValue
28
HiddenCells
  • {"r":3,"c":2,"v":4}
  • {"r":1,"c":1,"v":11}
  • {"r":0,"c":0,"v":28}
  • {"r":2,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [54] → [_, 31] → [_, 16, _] → [1, _, 10, 5]

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Answer: Row3[1]=7, Row2[1]=23, Row3[3]=15, Row4[2]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [54]
  • [23,31]
  • [7,16,15]
  • [1,6,10,5]
Base
  • 1
  • 6
  • 10
  • 5
TopValue
54
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":1,"c":0,"v":23}
  • {"r":2,"c":2,"v":15}
  • {"r":3,"c":1,"v":6}