medium Set 83 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [52] → [_, 20] → [19, _, 7] → [10, 9, _, _]

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Answer: Row3[2]=13, Row4[3]=4, Row4[4]=3, Row2[1]=32

SubType
number-pyramid
Difficulty
medium
Levels
  • [52]
  • [32,20]
  • [19,13,7]
  • [10,9,4,3]
Base
  • 10
  • 9
  • 4
  • 3
TopValue
52
HiddenCells
  • {"r":2,"c":1,"v":13}
  • {"r":3,"c":2,"v":4}
  • {"r":3,"c":3,"v":3}
  • {"r":1,"c":0,"v":32}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [_, 13] → [12, 6, 7] → [_, _, _, 4]

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Answer: Row2[1]=18, Row4[3]=3, Row4[2]=3, Row4[1]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [31]
  • [18,13]
  • [12,6,7]
  • [9,3,3,4]
Base
  • 9
  • 3
  • 3
  • 4
TopValue
31
HiddenCells
  • {"r":1,"c":0,"v":18}
  • {"r":3,"c":2,"v":3}
  • {"r":3,"c":1,"v":3}
  • {"r":3,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [59] → [29, _] → [_, 16, 14] → [7, _, _, 4]

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Answer: Row2[2]=30, Row4[3]=10, Row3[1]=13, Row4[2]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [59]
  • [29,30]
  • [13,16,14]
  • [7,6,10,4]
Base
  • 7
  • 6
  • 10
  • 4
TopValue
59
HiddenCells
  • {"r":1,"c":1,"v":30}
  • {"r":3,"c":2,"v":10}
  • {"r":2,"c":0,"v":13}
  • {"r":3,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 17] → [18, _, _] → [9, 9, 1, 6]

Show answer

Answer: Row1[1]=45, Row2[1]=28, Row3[2]=10, Row3[3]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [45]
  • [28,17]
  • [18,10,7]
  • [9,9,1,6]
Base
  • 9
  • 9
  • 1
  • 6
TopValue
45
HiddenCells
  • {"r":0,"c":0,"v":45}
  • {"r":1,"c":0,"v":28}
  • {"r":2,"c":1,"v":10}
  • {"r":2,"c":2,"v":7}