medium Set 86 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [33] → [15, _] → [_, 6, 12] → [_, 2, _, 8]

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Answer: Row4[1]=7, Row4[3]=4, Row2[2]=18, Row3[1]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [33]
  • [15,18]
  • [9,6,12]
  • [7,2,4,8]
Base
  • 7
  • 2
  • 4
  • 8
TopValue
33
HiddenCells
  • {"r":3,"c":0,"v":7}
  • {"r":3,"c":2,"v":4}
  • {"r":1,"c":1,"v":18}
  • {"r":2,"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): [_] → [_, 18] → [8, _, 6] → [_, 7, 5, 1]

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Answer: Row2[1]=20, Row3[2]=12, Row1[1]=38, Row4[1]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [20,18]
  • [8,12,6]
  • [1,7,5,1]
Base
  • 1
  • 7
  • 5
  • 1
TopValue
38
HiddenCells
  • {"r":1,"c":0,"v":20}
  • {"r":2,"c":1,"v":12}
  • {"r":0,"c":0,"v":38}
  • {"r":3,"c":0,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [12, 11, _] → [3, 9, 2, 5]

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Answer: Row1[1]=41, Row2[2]=18, Row3[3]=7, Row2[1]=23

SubType
number-pyramid
Difficulty
medium
Levels
  • [41]
  • [23,18]
  • [12,11,7]
  • [3,9,2,5]
Base
  • 3
  • 9
  • 2
  • 5
TopValue
41
HiddenCells
  • {"r":0,"c":0,"v":41}
  • {"r":1,"c":1,"v":18}
  • {"r":2,"c":2,"v":7}
  • {"r":1,"c":0,"v":23}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [38] → [17, 21] → [_, 10, _] → [4, 3, _, _]

Show answer

Answer: Row4[3]=7, Row3[1]=7, Row3[3]=11, Row4[4]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [17,21]
  • [7,10,11]
  • [4,3,7,4]
Base
  • 4
  • 3
  • 7
  • 4
TopValue
38
HiddenCells
  • {"r":3,"c":2,"v":7}
  • {"r":2,"c":0,"v":7}
  • {"r":2,"c":2,"v":11}
  • {"r":3,"c":3,"v":4}