medium Set 84 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [40] → [19, _] → [_, 12, 9] → [_, 5, 7, _]

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Answer: Row3[1]=7, Row4[4]=2, Row4[1]=2, Row2[2]=21

SubType
number-pyramid
Difficulty
medium
Levels
  • [40]
  • [19,21]
  • [7,12,9]
  • [2,5,7,2]
Base
  • 2
  • 5
  • 7
  • 2
TopValue
40
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":3,"c":3,"v":2}
  • {"r":3,"c":0,"v":2}
  • {"r":1,"c":1,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [21, 17] → [14, 7, _] → [9, _, 2, _]

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Answer: Row3[3]=10, Row1[1]=38, Row4[2]=5, Row4[4]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [21,17]
  • [14,7,10]
  • [9,5,2,8]
Base
  • 9
  • 5
  • 2
  • 8
TopValue
38
HiddenCells
  • {"r":2,"c":2,"v":10}
  • {"r":0,"c":0,"v":38}
  • {"r":3,"c":1,"v":5}
  • {"r":3,"c":3,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 27] → [18, 13, _] → [9, 9, 4, _]

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Answer: Row3[3]=14, Row4[4]=10, Row2[1]=31, Row1[1]=58

SubType
number-pyramid
Difficulty
medium
Levels
  • [58]
  • [31,27]
  • [18,13,14]
  • [9,9,4,10]
Base
  • 9
  • 9
  • 4
  • 10
TopValue
58
HiddenCells
  • {"r":2,"c":2,"v":14}
  • {"r":3,"c":3,"v":10}
  • {"r":1,"c":0,"v":31}
  • {"r":0,"c":0,"v":58}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [49] → [23, _] → [_, _, 11] → [1, 7, _, 3]

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Answer: Row3[2]=15, Row4[3]=8, Row2[2]=26, Row3[1]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [49]
  • [23,26]
  • [8,15,11]
  • [1,7,8,3]
Base
  • 1
  • 7
  • 8
  • 3
TopValue
49
HiddenCells
  • {"r":2,"c":1,"v":15}
  • {"r":3,"c":2,"v":8}
  • {"r":1,"c":1,"v":26}
  • {"r":2,"c":0,"v":8}