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): [31] → [18, _] → [11, _, 6] → [_, _, 5, 1]

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Answer: Row4[2]=2, Row3[2]=7, Row4[1]=9, Row2[2]=13

SubType
number-pyramid
Difficulty
medium
Levels
  • [31]
  • [18,13]
  • [11,7,6]
  • [9,2,5,1]
Base
  • 9
  • 2
  • 5
  • 1
TopValue
31
HiddenCells
  • {"r":3,"c":1,"v":2}
  • {"r":2,"c":1,"v":7}
  • {"r":3,"c":0,"v":9}
  • {"r":1,"c":1,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [57] → [27, _] → [11, 16, 14] → [_, _, _, 4]

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Answer: Row4[3]=10, Row4[1]=5, Row2[2]=30, Row4[2]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [57]
  • [27,30]
  • [11,16,14]
  • [5,6,10,4]
Base
  • 5
  • 6
  • 10
  • 4
TopValue
57
HiddenCells
  • {"r":3,"c":2,"v":10}
  • {"r":3,"c":0,"v":5}
  • {"r":1,"c":1,"v":30}
  • {"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): [_] → [12, 14] → [_, _, _] → [1, 5, 1, 7]

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Answer: Row1[1]=26, Row3[3]=8, Row3[1]=6, Row3[2]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [26]
  • [12,14]
  • [6,6,8]
  • [1,5,1,7]
Base
  • 1
  • 5
  • 1
  • 7
TopValue
26
HiddenCells
  • {"r":0,"c":0,"v":26}
  • {"r":2,"c":2,"v":8}
  • {"r":2,"c":0,"v":6}
  • {"r":2,"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): [50] → [28, _] → [15, _, 9] → [_, 8, _, 4]

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Answer: Row4[3]=5, Row2[2]=22, Row3[2]=13, Row4[1]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [50]
  • [28,22]
  • [15,13,9]
  • [7,8,5,4]
Base
  • 7
  • 8
  • 5
  • 4
TopValue
50
HiddenCells
  • {"r":3,"c":2,"v":5}
  • {"r":1,"c":1,"v":22}
  • {"r":2,"c":1,"v":13}
  • {"r":3,"c":0,"v":7}