medium Set 88 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 14] → [_, 5, 9] → [9, 3, 2, _]

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Answer: Row2[1]=17, Row3[1]=12, Row1[1]=31, Row4[4]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [31]
  • [17,14]
  • [12,5,9]
  • [9,3,2,7]
Base
  • 9
  • 3
  • 2
  • 7
TopValue
31
HiddenCells
  • {"r":1,"c":0,"v":17}
  • {"r":2,"c":0,"v":12}
  • {"r":0,"c":0,"v":31}
  • {"r":3,"c":3,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [34] → [_, _] → [11, 8, 7] → [_, 4, 4, _]

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Answer: Row4[1]=7, Row2[2]=15, Row4[4]=3, Row2[1]=19

SubType
number-pyramid
Difficulty
medium
Levels
  • [34]
  • [19,15]
  • [11,8,7]
  • [7,4,4,3]
Base
  • 7
  • 4
  • 4
  • 3
TopValue
34
HiddenCells
  • {"r":3,"c":0,"v":7}
  • {"r":1,"c":1,"v":15}
  • {"r":3,"c":3,"v":3}
  • {"r":1,"c":0,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [57] → [26, _] → [12, _, _] → [_, 6, 8, 9]

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Answer: Row2[2]=31, Row3[2]=14, Row3[3]=17, Row4[1]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [57]
  • [26,31]
  • [12,14,17]
  • [6,6,8,9]
Base
  • 6
  • 6
  • 8
  • 9
TopValue
57
HiddenCells
  • {"r":1,"c":1,"v":31}
  • {"r":2,"c":1,"v":14}
  • {"r":2,"c":2,"v":17}
  • {"r":3,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [41] → [20, 21] → [9, 11, _] → [_, _, _, 1]

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

SubType
number-pyramid
Difficulty
medium
Levels
  • [41]
  • [20,21]
  • [9,11,10]
  • [7,2,9,1]
Base
  • 7
  • 2
  • 9
  • 1
TopValue
41
HiddenCells
  • {"r":3,"c":2,"v":9}
  • {"r":2,"c":2,"v":10}
  • {"r":3,"c":1,"v":2}
  • {"r":3,"c":0,"v":7}