medium Set 27 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [33] → [_, 16] → [12, 5, _] → [9, 3, _, _]

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Answer: Row2[1]=17, Row3[3]=11, Row4[4]=9, Row4[3]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [33]
  • [17,16]
  • [12,5,11]
  • [9,3,2,9]
Base
  • 9
  • 3
  • 2
  • 9
TopValue
33
HiddenCells
  • {"r":1,"c":0,"v":17}
  • {"r":2,"c":2,"v":11}
  • {"r":3,"c":3,"v":9}
  • {"r":3,"c":2,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [50] → [27, _] → [_, 11, 12] → [_, 7, _, 8]

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Answer: Row4[3]=4, Row4[1]=9, Row3[1]=16, Row2[2]=23

SubType
number-pyramid
Difficulty
medium
Levels
  • [50]
  • [27,23]
  • [16,11,12]
  • [9,7,4,8]
Base
  • 9
  • 7
  • 4
  • 8
TopValue
50
HiddenCells
  • {"r":3,"c":2,"v":4}
  • {"r":3,"c":0,"v":9}
  • {"r":2,"c":0,"v":16}
  • {"r":1,"c":1,"v":23}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [19, _] → [_, 11, 17] → [6, _, 9, 8]

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Answer: Row4[2]=2, Row3[1]=8, Row2[2]=28, Row1[1]=47

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [19,28]
  • [8,11,17]
  • [6,2,9,8]
Base
  • 6
  • 2
  • 9
  • 8
TopValue
47
HiddenCells
  • {"r":3,"c":1,"v":2}
  • {"r":2,"c":0,"v":8}
  • {"r":1,"c":1,"v":28}
  • {"r":0,"c":0,"v":47}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 27] → [_, 14, 13] → [9, _, 4, 9]

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Answer: Row1[1]=60, Row3[1]=19, Row2[1]=33, Row4[2]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [60]
  • [33,27]
  • [19,14,13]
  • [9,10,4,9]
Base
  • 9
  • 10
  • 4
  • 9
TopValue
60
HiddenCells
  • {"r":0,"c":0,"v":60}
  • {"r":2,"c":0,"v":19}
  • {"r":1,"c":0,"v":33}
  • {"r":3,"c":1,"v":10}