medium Set 42 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [38] → [23, 15] → [_, _, 6] → [_, 8, 1, _]

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Answer: Row4[1]=6, Row3[2]=9, Row3[1]=14, Row4[4]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [23,15]
  • [14,9,6]
  • [6,8,1,5]
Base
  • 6
  • 8
  • 1
  • 5
TopValue
38
HiddenCells
  • {"r":3,"c":0,"v":6}
  • {"r":2,"c":1,"v":9}
  • {"r":2,"c":0,"v":14}
  • {"r":3,"c":3,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [9, 11] → [4, _, 6] → [1, 3, _, _]

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Answer: Row3[2]=5, Row1[1]=20, Row4[4]=4, Row4[3]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [20]
  • [9,11]
  • [4,5,6]
  • [1,3,2,4]
Base
  • 1
  • 3
  • 2
  • 4
TopValue
20
HiddenCells
  • {"r":2,"c":1,"v":5}
  • {"r":0,"c":0,"v":20}
  • {"r":3,"c":3,"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): [40] → [26, 14] → [16, _, 4] → [7, _, _, _]

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Answer: Row4[3]=1, Row3[2]=10, Row4[4]=3, Row4[2]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [40]
  • [26,14]
  • [16,10,4]
  • [7,9,1,3]
Base
  • 7
  • 9
  • 1
  • 3
TopValue
40
HiddenCells
  • {"r":3,"c":2,"v":1}
  • {"r":2,"c":1,"v":10}
  • {"r":3,"c":3,"v":3}
  • {"r":3,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [37, 31] → [_, _, 13] → [10, 9, 9, _]

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Answer: Row4[4]=4, Row3[2]=18, Row3[1]=19, Row1[1]=68

SubType
number-pyramid
Difficulty
medium
Levels
  • [68]
  • [37,31]
  • [19,18,13]
  • [10,9,9,4]
Base
  • 10
  • 9
  • 9
  • 4
TopValue
68
HiddenCells
  • {"r":3,"c":3,"v":4}
  • {"r":2,"c":1,"v":18}
  • {"r":2,"c":0,"v":19}
  • {"r":0,"c":0,"v":68}