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): [61] → [29, 32] → [10, _, _] → [_, 9, _, 3]

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Answer: Row4[3]=10, Row3[3]=13, Row4[1]=1, Row3[2]=19

SubType
number-pyramid
Difficulty
medium
Levels
  • [61]
  • [29,32]
  • [10,19,13]
  • [1,9,10,3]
Base
  • 1
  • 9
  • 10
  • 3
TopValue
61
HiddenCells
  • {"r":3,"c":2,"v":10}
  • {"r":2,"c":2,"v":13}
  • {"r":3,"c":0,"v":1}
  • {"r":2,"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): [_] → [_, 26] → [6, 14, _] → [2, 4, 10, _]

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Answer: Row2[1]=20, Row3[3]=12, Row1[1]=46, Row4[4]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [46]
  • [20,26]
  • [6,14,12]
  • [2,4,10,2]
Base
  • 2
  • 4
  • 10
  • 2
TopValue
46
HiddenCells
  • {"r":1,"c":0,"v":20}
  • {"r":2,"c":2,"v":12}
  • {"r":0,"c":0,"v":46}
  • {"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): [41] → [13, _] → [2, _, 17] → [_, 1, _, 7]

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Answer: Row4[3]=10, Row3[2]=11, Row4[1]=1, Row2[2]=28

SubType
number-pyramid
Difficulty
medium
Levels
  • [41]
  • [13,28]
  • [2,11,17]
  • [1,1,10,7]
Base
  • 1
  • 1
  • 10
  • 7
TopValue
41
HiddenCells
  • {"r":3,"c":2,"v":10}
  • {"r":2,"c":1,"v":11}
  • {"r":3,"c":0,"v":1}
  • {"r":1,"c":1,"v":28}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 29] → [8, _, _] → [1, 7, 7, 8]

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Answer: Row2[1]=22, Row3[3]=15, Row3[2]=14, Row1[1]=51

SubType
number-pyramid
Difficulty
medium
Levels
  • [51]
  • [22,29]
  • [8,14,15]
  • [1,7,7,8]
Base
  • 1
  • 7
  • 7
  • 8
TopValue
51
HiddenCells
  • {"r":1,"c":0,"v":22}
  • {"r":2,"c":2,"v":15}
  • {"r":2,"c":1,"v":14}
  • {"r":0,"c":0,"v":51}