medium Set 69 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [39] → [20, 19] → [_, 11, _] → [2, _, 4, _]

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Answer: Row3[3]=8, Row3[1]=9, Row4[4]=4, Row4[2]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [39]
  • [20,19]
  • [9,11,8]
  • [2,7,4,4]
Base
  • 2
  • 7
  • 4
  • 4
TopValue
39
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"r":2,"c":0,"v":9}
  • {"r":3,"c":3,"v":4}
  • {"r":3,"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): [_] → [15, _] → [9, _, 12] → [8, 1, _, 7]

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Answer: Row4[3]=5, Row1[1]=33, Row3[2]=6, Row2[2]=18

SubType
number-pyramid
Difficulty
medium
Levels
  • [33]
  • [15,18]
  • [9,6,12]
  • [8,1,5,7]
Base
  • 8
  • 1
  • 5
  • 7
TopValue
33
HiddenCells
  • {"r":3,"c":2,"v":5}
  • {"r":0,"c":0,"v":33}
  • {"r":2,"c":1,"v":6}
  • {"r":1,"c":1,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [64] → [_, _] → [_, 18, 18] → [2, 8, _, 8]

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Answer: Row4[3]=10, Row2[2]=36, Row2[1]=28, Row3[1]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [64]
  • [28,36]
  • [10,18,18]
  • [2,8,10,8]
Base
  • 2
  • 8
  • 10
  • 8
TopValue
64
HiddenCells
  • {"r":3,"c":2,"v":10}
  • {"r":1,"c":1,"v":36}
  • {"r":1,"c":0,"v":28}
  • {"r":2,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [52] → [_, _] → [14, _, 8] → [_, 10, 5, 3]

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Answer: Row3[2]=15, Row4[1]=4, Row2[2]=23, Row2[1]=29

SubType
number-pyramid
Difficulty
medium
Levels
  • [52]
  • [29,23]
  • [14,15,8]
  • [4,10,5,3]
Base
  • 4
  • 10
  • 5
  • 3
TopValue
52
HiddenCells
  • {"r":2,"c":1,"v":15}
  • {"r":3,"c":0,"v":4}
  • {"r":1,"c":1,"v":23}
  • {"r":1,"c":0,"v":29}