medium Set 49 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [_, _] → [9, 9, 4] → [2, _, _, 2]

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Answer: Row4[3]=2, Row4[2]=7, Row2[2]=13, Row2[1]=18

SubType
number-pyramid
Difficulty
medium
Levels
  • [31]
  • [18,13]
  • [9,9,4]
  • [2,7,2,2]
Base
  • 2
  • 7
  • 2
  • 2
TopValue
31
HiddenCells
  • {"r":3,"c":2,"v":2}
  • {"r":3,"c":1,"v":7}
  • {"r":1,"c":1,"v":13}
  • {"r":1,"c":0,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [_, 15] → [_, _, 12] → [5, 1, 2, _]

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Answer: Row4[4]=10, Row3[1]=6, Row3[2]=3, Row2[1]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [24]
  • [9,15]
  • [6,3,12]
  • [5,1,2,10]
Base
  • 5
  • 1
  • 2
  • 10
TopValue
24
HiddenCells
  • {"r":3,"c":3,"v":10}
  • {"r":2,"c":0,"v":6}
  • {"r":2,"c":1,"v":3}
  • {"r":1,"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): [_] → [15, 18] → [8, 7, _] → [7, 1, _, _]

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Answer: Row4[4]=5, Row1[1]=33, Row4[3]=6, Row3[3]=11

SubType
number-pyramid
Difficulty
medium
Levels
  • [33]
  • [15,18]
  • [8,7,11]
  • [7,1,6,5]
Base
  • 7
  • 1
  • 6
  • 5
TopValue
33
HiddenCells
  • {"r":3,"c":3,"v":5}
  • {"r":0,"c":0,"v":33}
  • {"r":3,"c":2,"v":6}
  • {"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): [_] → [_, 17] → [_, 12, 5] → [_, 8, 4, 1]

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Answer: Row4[1]=10, Row3[1]=18, Row2[1]=30, Row1[1]=47

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [30,17]
  • [18,12,5]
  • [10,8,4,1]
Base
  • 10
  • 8
  • 4
  • 1
TopValue
47
HiddenCells
  • {"r":3,"c":0,"v":10}
  • {"r":2,"c":0,"v":18}
  • {"r":1,"c":0,"v":30}
  • {"r":0,"c":0,"v":47}