medium Set 31 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [41] → [21, 20] → [_, 11, 9] → [_, _, 3, _]

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Answer: Row4[1]=2, Row3[1]=10, Row4[2]=8, Row4[4]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [41]
  • [21,20]
  • [10,11,9]
  • [2,8,3,6]
Base
  • 2
  • 8
  • 3
  • 6
TopValue
41
HiddenCells
  • {"r":3,"c":0,"v":2}
  • {"r":2,"c":0,"v":10}
  • {"r":3,"c":1,"v":8}
  • {"r":3,"c":3,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [60] → [33, 27] → [_, 16, _] → [_, 9, 7, _]

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Answer: Row3[1]=17, Row4[1]=8, Row4[4]=4, Row3[3]=11

SubType
number-pyramid
Difficulty
medium
Levels
  • [60]
  • [33,27]
  • [17,16,11]
  • [8,9,7,4]
Base
  • 8
  • 9
  • 7
  • 4
TopValue
60
HiddenCells
  • {"r":2,"c":0,"v":17}
  • {"r":3,"c":0,"v":8}
  • {"r":3,"c":3,"v":4}
  • {"r":2,"c":2,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [43] → [19, 24] → [_, _, _] → [5, 2, 10, _]

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Answer: Row3[2]=12, Row3[1]=7, Row3[3]=12, Row4[4]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [43]
  • [19,24]
  • [7,12,12]
  • [5,2,10,2]
Base
  • 5
  • 2
  • 10
  • 2
TopValue
43
HiddenCells
  • {"r":2,"c":1,"v":12}
  • {"r":2,"c":0,"v":7}
  • {"r":2,"c":2,"v":12}
  • {"r":3,"c":3,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [11, 6, 7] → [9, 2, 4, _]

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Answer: Row4[4]=3, Row2[1]=17, Row2[2]=13, Row1[1]=30

SubType
number-pyramid
Difficulty
medium
Levels
  • [30]
  • [17,13]
  • [11,6,7]
  • [9,2,4,3]
Base
  • 9
  • 2
  • 4
  • 3
TopValue
30
HiddenCells
  • {"r":3,"c":3,"v":3}
  • {"r":1,"c":0,"v":17}
  • {"r":1,"c":1,"v":13}
  • {"r":0,"c":0,"v":30}