medium Set 66 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [11, 14] → [6, 5, _] → [_, _, 2, _]

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

SubType
number-pyramid
Difficulty
medium
Levels
  • [25]
  • [11,14]
  • [6,5,9]
  • [3,3,2,7]
Base
  • 3
  • 3
  • 2
  • 7
TopValue
25
HiddenCells
  • {"r":3,"c":1,"v":3}
  • {"r":2,"c":2,"v":9}
  • {"r":3,"c":3,"v":7}
  • {"r":3,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [55] → [_, 25] → [17, 13, 12] → [_, _, _, 8]

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Answer: Row4[3]=4, Row2[1]=30, Row4[1]=8, Row4[2]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [55]
  • [30,25]
  • [17,13,12]
  • [8,9,4,8]
Base
  • 8
  • 9
  • 4
  • 8
TopValue
55
HiddenCells
  • {"r":3,"c":2,"v":4}
  • {"r":1,"c":0,"v":30}
  • {"r":3,"c":0,"v":8}
  • {"r":3,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 15] → [4, 6, 9] → [3, _, 5, _]

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Answer: Row1[1]=25, Row2[1]=10, Row4[4]=4, Row4[2]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [25]
  • [10,15]
  • [4,6,9]
  • [3,1,5,4]
Base
  • 3
  • 1
  • 5
  • 4
TopValue
25
HiddenCells
  • {"r":0,"c":0,"v":25}
  • {"r":1,"c":0,"v":10}
  • {"r":3,"c":3,"v":4}
  • {"r":3,"c":1,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [56] → [35, 21] → [20, _, _] → [_, 10, 5, _]

Show answer

Answer: Row4[4]=1, Row3[3]=6, Row3[2]=15, Row4[1]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [56]
  • [35,21]
  • [20,15,6]
  • [10,10,5,1]
Base
  • 10
  • 10
  • 5
  • 1
TopValue
56
HiddenCells
  • {"r":3,"c":3,"v":1}
  • {"r":2,"c":2,"v":6}
  • {"r":2,"c":1,"v":15}
  • {"r":3,"c":0,"v":10}