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): [_] → [22, 22] → [12, 10, 12] → [_, 7, _, _]

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Answer: Row4[3]=3, Row4[4]=9, Row1[1]=44, Row4[1]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [44]
  • [22,22]
  • [12,10,12]
  • [5,7,3,9]
Base
  • 5
  • 7
  • 3
  • 9
TopValue
44
HiddenCells
  • {"r":3,"c":2,"v":3}
  • {"r":3,"c":3,"v":9}
  • {"r":0,"c":0,"v":44}
  • {"r":3,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [38] → [19, 19] → [9, _, _] → [_, 2, 8, _]

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Answer: Row4[1]=7, Row3[3]=9, Row4[4]=1, Row3[2]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [19,19]
  • [9,10,9]
  • [7,2,8,1]
Base
  • 7
  • 2
  • 8
  • 1
TopValue
38
HiddenCells
  • {"r":3,"c":0,"v":7}
  • {"r":2,"c":2,"v":9}
  • {"r":3,"c":3,"v":1}
  • {"r":2,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [31, _] → [_, 15, 15] → [8, 8, _, 8]

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Answer: Row3[1]=16, Row1[1]=61, Row4[3]=7, Row2[2]=30

SubType
number-pyramid
Difficulty
medium
Levels
  • [61]
  • [31,30]
  • [16,15,15]
  • [8,8,7,8]
Base
  • 8
  • 8
  • 7
  • 8
TopValue
61
HiddenCells
  • {"r":2,"c":0,"v":16}
  • {"r":0,"c":0,"v":61}
  • {"r":3,"c":2,"v":7}
  • {"r":1,"c":1,"v":30}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [61] → [29, 32] → [14, 15, 17] → [_, _, _, _]

Show answer

Answer: Row4[4]=8, Row4[3]=9, Row4[1]=8, Row4[2]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [61]
  • [29,32]
  • [14,15,17]
  • [8,6,9,8]
Base
  • 8
  • 6
  • 9
  • 8
TopValue
61
HiddenCells
  • {"r":3,"c":3,"v":8}
  • {"r":3,"c":2,"v":9}
  • {"r":3,"c":0,"v":8}
  • {"r":3,"c":1,"v":6}