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): [_] → [31, _] → [18, 13, 12] → [10, _, _, 7]

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Answer: Row4[2]=8, Row2[2]=25, Row4[3]=5, Row1[1]=56

SubType
number-pyramid
Difficulty
medium
Levels
  • [56]
  • [31,25]
  • [18,13,12]
  • [10,8,5,7]
Base
  • 10
  • 8
  • 5
  • 7
TopValue
56
HiddenCells
  • {"r":3,"c":1,"v":8}
  • {"r":1,"c":1,"v":25}
  • {"r":3,"c":2,"v":5}
  • {"r":0,"c":0,"v":56}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, _] → [8, 7, 8] → [_, 1, 6, _]

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Answer: Row4[4]=2, Row4[1]=7, Row2[2]=15, Row1[1]=30

SubType
number-pyramid
Difficulty
medium
Levels
  • [30]
  • [15,15]
  • [8,7,8]
  • [7,1,6,2]
Base
  • 7
  • 1
  • 6
  • 2
TopValue
30
HiddenCells
  • {"r":3,"c":3,"v":2}
  • {"r":3,"c":0,"v":7}
  • {"r":1,"c":1,"v":15}
  • {"r":0,"c":0,"v":30}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 31] → [_, 16, 15] → [4, _, 7, 8]

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Answer: Row1[1]=60, Row4[2]=9, Row3[1]=13, Row2[1]=29

SubType
number-pyramid
Difficulty
medium
Levels
  • [60]
  • [29,31]
  • [13,16,15]
  • [4,9,7,8]
Base
  • 4
  • 9
  • 7
  • 8
TopValue
60
HiddenCells
  • {"r":0,"c":0,"v":60}
  • {"r":3,"c":1,"v":9}
  • {"r":2,"c":0,"v":13}
  • {"r":1,"c":0,"v":29}

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

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Answer: Row1[1]=20, Row3[1]=8, Row4[4]=5, Row4[2]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [20]
  • [11,9]
  • [8,3,6]
  • [6,2,1,5]
Base
  • 6
  • 2
  • 1
  • 5
TopValue
20
HiddenCells
  • {"r":0,"c":0,"v":20}
  • {"r":2,"c":0,"v":8}
  • {"r":3,"c":3,"v":5}
  • {"r":3,"c":1,"v":2}