medium Set 81 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 33] → [12, 13, _] → [9, _, 10, 10]

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Answer: Row4[2]=3, Row3[3]=20, Row2[1]=25, Row1[1]=58

SubType
number-pyramid
Difficulty
medium
Levels
  • [58]
  • [25,33]
  • [12,13,20]
  • [9,3,10,10]
Base
  • 9
  • 3
  • 10
  • 10
TopValue
58
HiddenCells
  • {"r":3,"c":1,"v":3}
  • {"r":2,"c":2,"v":20}
  • {"r":1,"c":0,"v":25}
  • {"r":0,"c":0,"v":58}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 25] → [2, 10, 15] → [_, _, _, 6]

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Answer: Row4[2]=1, Row4[3]=9, Row1[1]=37, Row4[1]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [37]
  • [12,25]
  • [2,10,15]
  • [1,1,9,6]
Base
  • 1
  • 1
  • 9
  • 6
TopValue
37
HiddenCells
  • {"r":3,"c":1,"v":1}
  • {"r":3,"c":2,"v":9}
  • {"r":0,"c":0,"v":37}
  • {"r":3,"c":0,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 17] → [10, 7, _] → [5, 5, 2, _]

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Answer: Row1[1]=34, Row3[3]=10, Row4[4]=8, Row2[1]=17

SubType
number-pyramid
Difficulty
medium
Levels
  • [34]
  • [17,17]
  • [10,7,10]
  • [5,5,2,8]
Base
  • 5
  • 5
  • 2
  • 8
TopValue
34
HiddenCells
  • {"r":0,"c":0,"v":34}
  • {"r":2,"c":2,"v":10}
  • {"r":3,"c":3,"v":8}
  • {"r":1,"c":0,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [52] → [_, _] → [7, 15, 15] → [1, 6, _, _]

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Answer: Row4[3]=9, Row4[4]=6, Row2[2]=30, Row2[1]=22

SubType
number-pyramid
Difficulty
medium
Levels
  • [52]
  • [22,30]
  • [7,15,15]
  • [1,6,9,6]
Base
  • 1
  • 6
  • 9
  • 6
TopValue
52
HiddenCells
  • {"r":3,"c":2,"v":9}
  • {"r":3,"c":3,"v":6}
  • {"r":1,"c":1,"v":30}
  • {"r":1,"c":0,"v":22}