medium Set 23 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [40] → [_, 19] → [11, 10, 9] → [_, _, 5, _]

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Answer: Row4[1]=6, Row4[2]=5, Row4[4]=4, Row2[1]=21

SubType
number-pyramid
Difficulty
medium
Levels
  • [40]
  • [21,19]
  • [11,10,9]
  • [6,5,5,4]
Base
  • 6
  • 5
  • 5
  • 4
TopValue
40
HiddenCells
  • {"r":3,"c":0,"v":6}
  • {"r":3,"c":1,"v":5}
  • {"r":3,"c":3,"v":4}
  • {"r":1,"c":0,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [58] → [_, 30] → [11, _, _] → [3, 8, 9, _]

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Answer: Row3[3]=13, Row3[2]=17, Row4[4]=4, Row2[1]=28

SubType
number-pyramid
Difficulty
medium
Levels
  • [58]
  • [28,30]
  • [11,17,13]
  • [3,8,9,4]
Base
  • 3
  • 8
  • 9
  • 4
TopValue
58
HiddenCells
  • {"r":2,"c":2,"v":13}
  • {"r":2,"c":1,"v":17}
  • {"r":3,"c":3,"v":4}
  • {"r":1,"c":0,"v":28}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [25, _] → [11, 14, 6] → [_, _, 5, 1]

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Answer: Row4[1]=2, Row4[2]=9, Row2[2]=20, Row1[1]=45

SubType
number-pyramid
Difficulty
medium
Levels
  • [45]
  • [25,20]
  • [11,14,6]
  • [2,9,5,1]
Base
  • 2
  • 9
  • 5
  • 1
TopValue
45
HiddenCells
  • {"r":3,"c":0,"v":2}
  • {"r":3,"c":1,"v":9}
  • {"r":1,"c":1,"v":20}
  • {"r":0,"c":0,"v":45}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [24, 21] → [_, _, 9] → [8, 4, _, 1]

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Answer: Row4[3]=8, Row3[2]=12, Row3[1]=12, Row1[1]=45

SubType
number-pyramid
Difficulty
medium
Levels
  • [45]
  • [24,21]
  • [12,12,9]
  • [8,4,8,1]
Base
  • 8
  • 4
  • 8
  • 1
TopValue
45
HiddenCells
  • {"r":3,"c":2,"v":8}
  • {"r":2,"c":1,"v":12}
  • {"r":2,"c":0,"v":12}
  • {"r":0,"c":0,"v":45}