medium Set 77 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [34] → [_, 18] → [8, _, 10] → [_, 7, 1, _]

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Answer: Row4[4]=9, Row4[1]=1, Row2[1]=16, Row3[2]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [34]
  • [16,18]
  • [8,8,10]
  • [1,7,1,9]
Base
  • 1
  • 7
  • 1
  • 9
TopValue
34
HiddenCells
  • {"r":3,"c":3,"v":9}
  • {"r":3,"c":0,"v":1}
  • {"r":1,"c":0,"v":16}
  • {"r":2,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [39] → [21, _] → [14, _, 11] → [10, _, _, 8]

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Answer: Row2[2]=18, Row4[2]=4, Row3[2]=7, Row4[3]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [39]
  • [21,18]
  • [14,7,11]
  • [10,4,3,8]
Base
  • 10
  • 4
  • 3
  • 8
TopValue
39
HiddenCells
  • {"r":1,"c":1,"v":18}
  • {"r":3,"c":1,"v":4}
  • {"r":2,"c":1,"v":7}
  • {"r":3,"c":2,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [17, _] → [_, 7, 14] → [9, _, 6, 8]

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Answer: Row3[1]=10, Row4[2]=1, Row2[2]=21, Row1[1]=38

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [17,21]
  • [10,7,14]
  • [9,1,6,8]
Base
  • 9
  • 1
  • 6
  • 8
TopValue
38
HiddenCells
  • {"r":2,"c":0,"v":10}
  • {"r":3,"c":1,"v":1}
  • {"r":1,"c":1,"v":21}
  • {"r":0,"c":0,"v":38}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [47] → [_, _] → [15, 12, _] → [8, _, 5, 3]

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Answer: Row4[2]=7, Row2[2]=20, Row3[3]=8, Row2[1]=27

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [27,20]
  • [15,12,8]
  • [8,7,5,3]
Base
  • 8
  • 7
  • 5
  • 3
TopValue
47
HiddenCells
  • {"r":3,"c":1,"v":7}
  • {"r":1,"c":1,"v":20}
  • {"r":2,"c":2,"v":8}
  • {"r":1,"c":0,"v":27}