medium Set 81 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [32, 27] → [18, _, 13] → [_, 10, 4, _]

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Answer: Row4[1]=8, Row4[4]=9, Row3[2]=14, Row1[1]=59

SubType
number-pyramid
Difficulty
medium
Levels
  • [59]
  • [32,27]
  • [18,14,13]
  • [8,10,4,9]
Base
  • 8
  • 10
  • 4
  • 9
TopValue
59
HiddenCells
  • {"r":3,"c":0,"v":8}
  • {"r":3,"c":3,"v":9}
  • {"r":2,"c":1,"v":14}
  • {"r":0,"c":0,"v":59}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [69] → [_, 35] → [16, _, 17] → [_, 9, 9, _]

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Answer: Row3[2]=18, Row2[1]=34, Row4[4]=8, Row4[1]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [69]
  • [34,35]
  • [16,18,17]
  • [7,9,9,8]
Base
  • 7
  • 9
  • 9
  • 8
TopValue
69
HiddenCells
  • {"r":2,"c":1,"v":18}
  • {"r":1,"c":0,"v":34}
  • {"r":3,"c":3,"v":8}
  • {"r":3,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [70] → [39, 31] → [_, _, _] → [_, 10, 9, 3]

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Answer: Row3[2]=19, Row3[1]=20, Row4[1]=10, Row3[3]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [70]
  • [39,31]
  • [20,19,12]
  • [10,10,9,3]
Base
  • 10
  • 10
  • 9
  • 3
TopValue
70
HiddenCells
  • {"r":2,"c":1,"v":19}
  • {"r":2,"c":0,"v":20}
  • {"r":3,"c":0,"v":10}
  • {"r":2,"c":2,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [23, _] → [10, 13, _] → [_, 6, 7, 7]

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Answer: Row3[3]=14, Row1[1]=50, Row4[1]=4, Row2[2]=27

SubType
number-pyramid
Difficulty
medium
Levels
  • [50]
  • [23,27]
  • [10,13,14]
  • [4,6,7,7]
Base
  • 4
  • 6
  • 7
  • 7
TopValue
50
HiddenCells
  • {"r":2,"c":2,"v":14}
  • {"r":0,"c":0,"v":50}
  • {"r":3,"c":0,"v":4}
  • {"r":1,"c":1,"v":27}