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): [_] → [_, 19] → [_, 13, 6] → [10, 9, 4, _]

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Answer: Row3[1]=19, Row4[4]=2, Row1[1]=51, Row2[1]=32

SubType
number-pyramid
Difficulty
medium
Levels
  • [51]
  • [32,19]
  • [19,13,6]
  • [10,9,4,2]
Base
  • 10
  • 9
  • 4
  • 2
TopValue
51
HiddenCells
  • {"r":2,"c":0,"v":19}
  • {"r":3,"c":3,"v":2}
  • {"r":0,"c":0,"v":51}
  • {"r":1,"c":0,"v":32}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [36] → [18, 18] → [_, 6, _] → [10, _, 4, _]

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Answer: Row3[3]=12, Row4[2]=2, Row4[4]=8, Row3[1]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [36]
  • [18,18]
  • [12,6,12]
  • [10,2,4,8]
Base
  • 10
  • 2
  • 4
  • 8
TopValue
36
HiddenCells
  • {"r":2,"c":2,"v":12}
  • {"r":3,"c":1,"v":2}
  • {"r":3,"c":3,"v":8}
  • {"r":2,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [29] → [10, _] → [4, 6, _] → [_, 3, 3, _]

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Answer: Row3[3]=13, Row4[1]=1, Row2[2]=19, Row4[4]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [29]
  • [10,19]
  • [4,6,13]
  • [1,3,3,10]
Base
  • 1
  • 3
  • 3
  • 10
TopValue
29
HiddenCells
  • {"r":2,"c":2,"v":13}
  • {"r":3,"c":0,"v":1}
  • {"r":1,"c":1,"v":19}
  • {"r":3,"c":3,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [32, _] → [15, 17, 16] → [7, _, 9, _]

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Answer: Row4[4]=7, Row1[1]=65, Row2[2]=33, Row4[2]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [65]
  • [32,33]
  • [15,17,16]
  • [7,8,9,7]
Base
  • 7
  • 8
  • 9
  • 7
TopValue
65
HiddenCells
  • {"r":3,"c":3,"v":7}
  • {"r":0,"c":0,"v":65}
  • {"r":1,"c":1,"v":33}
  • {"r":3,"c":1,"v":8}