medium Set 99 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [27, 22] → [16, _, 11] → [10, 6, _, _]

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Answer: Row3[2]=11, Row4[4]=6, Row1[1]=49, Row4[3]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [49]
  • [27,22]
  • [16,11,11]
  • [10,6,5,6]
Base
  • 10
  • 6
  • 5
  • 6
TopValue
49
HiddenCells
  • {"r":2,"c":1,"v":11}
  • {"r":3,"c":3,"v":6}
  • {"r":0,"c":0,"v":49}
  • {"r":3,"c":2,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [32, 36] → [13, _, 17] → [_, _, 9, 8]

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Answer: Row1[1]=68, Row4[2]=10, Row4[1]=3, Row3[2]=19

SubType
number-pyramid
Difficulty
medium
Levels
  • [68]
  • [32,36]
  • [13,19,17]
  • [3,10,9,8]
Base
  • 3
  • 10
  • 9
  • 8
TopValue
68
HiddenCells
  • {"r":0,"c":0,"v":68}
  • {"r":3,"c":1,"v":10}
  • {"r":3,"c":0,"v":3}
  • {"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): [31] → [_, 13] → [_, 8, 5] → [5, _, _, 2]

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Answer: Row2[1]=18, Row4[2]=5, Row4[3]=3, Row3[1]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [31]
  • [18,13]
  • [10,8,5]
  • [5,5,3,2]
Base
  • 5
  • 5
  • 3
  • 2
TopValue
31
HiddenCells
  • {"r":1,"c":0,"v":18}
  • {"r":3,"c":1,"v":5}
  • {"r":3,"c":2,"v":3}
  • {"r":2,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [23, 30] → [_, 12, 18] → [8, _, 9, _]

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Answer: Row4[2]=3, Row1[1]=53, Row4[4]=9, Row3[1]=11

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [23,30]
  • [11,12,18]
  • [8,3,9,9]
Base
  • 8
  • 3
  • 9
  • 9
TopValue
53
HiddenCells
  • {"r":3,"c":1,"v":3}
  • {"r":0,"c":0,"v":53}
  • {"r":3,"c":3,"v":9}
  • {"r":2,"c":0,"v":11}