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): [47] → [24, 23] → [_, _, 11] → [9, 3, _, _]

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Answer: Row3[1]=12, Row4[4]=2, Row3[2]=12, Row4[3]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [24,23]
  • [12,12,11]
  • [9,3,9,2]
Base
  • 9
  • 3
  • 9
  • 2
TopValue
47
HiddenCells
  • {"r":2,"c":0,"v":12}
  • {"r":3,"c":3,"v":2}
  • {"r":2,"c":1,"v":12}
  • {"r":3,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [55] → [29, 26] → [16, _, 13] → [_, 7, _, _]

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Answer: Row3[2]=13, Row4[4]=7, Row4[3]=6, Row4[1]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [55]
  • [29,26]
  • [16,13,13]
  • [9,7,6,7]
Base
  • 9
  • 7
  • 6
  • 7
TopValue
55
HiddenCells
  • {"r":2,"c":1,"v":13}
  • {"r":3,"c":3,"v":7}
  • {"r":3,"c":2,"v":6}
  • {"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): [_] → [15, 25] → [_, _, 15] → [3, 2, _, 7]

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Answer: Row3[1]=5, Row4[3]=8, Row1[1]=40, Row3[2]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [40]
  • [15,25]
  • [5,10,15]
  • [3,2,8,7]
Base
  • 3
  • 2
  • 8
  • 7
TopValue
40
HiddenCells
  • {"r":2,"c":0,"v":5}
  • {"r":3,"c":2,"v":8}
  • {"r":0,"c":0,"v":40}
  • {"r":2,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [12, _] → [7, _, 8] → [_, _, 1, 7]

Show answer

Answer: Row4[2]=4, Row3[2]=5, Row4[1]=3, Row2[2]=13

SubType
number-pyramid
Difficulty
medium
Levels
  • [25]
  • [12,13]
  • [7,5,8]
  • [3,4,1,7]
Base
  • 3
  • 4
  • 1
  • 7
TopValue
25
HiddenCells
  • {"r":3,"c":1,"v":4}
  • {"r":2,"c":1,"v":5}
  • {"r":3,"c":0,"v":3}
  • {"r":1,"c":1,"v":13}