medium Set 72 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, 13] → [8, _, 6] → [_, _, 5, 1]

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Answer: Row1[1]=28, Row4[1]=6, Row3[2]=7, Row4[2]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [28]
  • [15,13]
  • [8,7,6]
  • [6,2,5,1]
Base
  • 6
  • 2
  • 5
  • 1
TopValue
28
HiddenCells
  • {"r":0,"c":0,"v":28}
  • {"r":3,"c":0,"v":6}
  • {"r":2,"c":1,"v":7}
  • {"r":3,"c":1,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [52] → [33, _] → [19, 14, _] → [_, 10, 4, _]

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Answer: Row4[1]=9, Row4[4]=1, Row3[3]=5, Row2[2]=19

SubType
number-pyramid
Difficulty
medium
Levels
  • [52]
  • [33,19]
  • [19,14,5]
  • [9,10,4,1]
Base
  • 9
  • 10
  • 4
  • 1
TopValue
52
HiddenCells
  • {"r":3,"c":0,"v":9}
  • {"r":3,"c":3,"v":1}
  • {"r":2,"c":2,"v":5}
  • {"r":1,"c":1,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 25] → [_, 17, 8] → [6, 10, _, 1]

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Answer: Row3[1]=16, Row2[1]=33, Row1[1]=58, Row4[3]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [58]
  • [33,25]
  • [16,17,8]
  • [6,10,7,1]
Base
  • 6
  • 10
  • 7
  • 1
TopValue
58
HiddenCells
  • {"r":2,"c":0,"v":16}
  • {"r":1,"c":0,"v":33}
  • {"r":0,"c":0,"v":58}
  • {"r":3,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [67] → [_, 37] → [_, 18, 19] → [4, 8, _, _]

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Answer: Row4[4]=9, Row3[1]=12, Row4[3]=10, Row2[1]=30

SubType
number-pyramid
Difficulty
medium
Levels
  • [67]
  • [30,37]
  • [12,18,19]
  • [4,8,10,9]
Base
  • 4
  • 8
  • 10
  • 9
TopValue
67
HiddenCells
  • {"r":3,"c":3,"v":9}
  • {"r":2,"c":0,"v":12}
  • {"r":3,"c":2,"v":10}
  • {"r":1,"c":0,"v":30}