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): [34] → [17, _] → [9, 8, _] → [_, _, 4, 5]

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Answer: Row3[3]=9, Row4[2]=4, Row4[1]=5, Row2[2]=17

SubType
number-pyramid
Difficulty
medium
Levels
  • [34]
  • [17,17]
  • [9,8,9]
  • [5,4,4,5]
Base
  • 5
  • 4
  • 4
  • 5
TopValue
34
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":3,"c":1,"v":4}
  • {"r":3,"c":0,"v":5}
  • {"r":1,"c":1,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [38] → [20, 18] → [_, _, 9] → [10, 1, _, _]

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Answer: Row4[4]=1, Row4[3]=8, Row3[1]=11, Row3[2]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [20,18]
  • [11,9,9]
  • [10,1,8,1]
Base
  • 10
  • 1
  • 8
  • 1
TopValue
38
HiddenCells
  • {"r":3,"c":3,"v":1}
  • {"r":3,"c":2,"v":8}
  • {"r":2,"c":0,"v":11}
  • {"r":2,"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): [_] → [_, _] → [9, 4, 6] → [6, _, 1, 5]

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Answer: Row4[2]=3, Row2[1]=13, Row1[1]=23, Row2[2]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [23]
  • [13,10]
  • [9,4,6]
  • [6,3,1,5]
Base
  • 6
  • 3
  • 1
  • 5
TopValue
23
HiddenCells
  • {"r":3,"c":1,"v":3}
  • {"r":1,"c":0,"v":13}
  • {"r":0,"c":0,"v":23}
  • {"r":1,"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): [23] → [10, _] → [7, 3, 10] → [_, 1, _, _]

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Answer: Row4[3]=2, Row2[2]=13, Row4[1]=6, Row4[4]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [23]
  • [10,13]
  • [7,3,10]
  • [6,1,2,8]
Base
  • 6
  • 1
  • 2
  • 8
TopValue
23
HiddenCells
  • {"r":3,"c":2,"v":2}
  • {"r":1,"c":1,"v":13}
  • {"r":3,"c":0,"v":6}
  • {"r":3,"c":3,"v":8}