medium Set 41 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [17, 21] → [_, 8, 13] → [5, _, 4, _]

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Answer: Row3[1]=9, Row4[4]=9, Row1[1]=38, Row4[2]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [17,21]
  • [9,8,13]
  • [5,4,4,9]
Base
  • 5
  • 4
  • 4
  • 9
TopValue
38
HiddenCells
  • {"r":2,"c":0,"v":9}
  • {"r":3,"c":3,"v":9}
  • {"r":0,"c":0,"v":38}
  • {"r":3,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [50] → [_, 29] → [10, 11, 18] → [_, _, _, 10]

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Answer: Row4[2]=3, Row2[1]=21, Row4[1]=7, Row4[3]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [50]
  • [21,29]
  • [10,11,18]
  • [7,3,8,10]
Base
  • 7
  • 3
  • 8
  • 10
TopValue
50
HiddenCells
  • {"r":3,"c":1,"v":3}
  • {"r":1,"c":0,"v":21}
  • {"r":3,"c":0,"v":7}
  • {"r":3,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [55] → [_, _] → [16, 13, 13] → [6, _, 3, _]

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Answer: Row2[2]=26, Row2[1]=29, Row4[2]=10, Row4[4]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [55]
  • [29,26]
  • [16,13,13]
  • [6,10,3,10]
Base
  • 6
  • 10
  • 3
  • 10
TopValue
55
HiddenCells
  • {"r":1,"c":1,"v":26}
  • {"r":1,"c":0,"v":29}
  • {"r":3,"c":1,"v":10}
  • {"r":3,"c":3,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [44] → [25, _] → [_, 12, 7] → [_, 9, 3, _]

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Answer: Row2[2]=19, Row3[1]=13, Row4[1]=4, Row4[4]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [44]
  • [25,19]
  • [13,12,7]
  • [4,9,3,4]
Base
  • 4
  • 9
  • 3
  • 4
TopValue
44
HiddenCells
  • {"r":1,"c":1,"v":19}
  • {"r":2,"c":0,"v":13}
  • {"r":3,"c":0,"v":4}
  • {"r":3,"c":3,"v":4}