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): [31] → [16, 15] → [8, _, _] → [5, _, _, 2]

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Answer: Row3[2]=8, Row3[3]=7, Row4[3]=5, Row4[2]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [31]
  • [16,15]
  • [8,8,7]
  • [5,3,5,2]
Base
  • 5
  • 3
  • 5
  • 2
TopValue
31
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"r":2,"c":2,"v":7}
  • {"r":3,"c":2,"v":5}
  • {"r":3,"c":1,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [_, 9] → [10, _, _] → [_, 3, 2, 2]

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Answer: Row3[3]=4, Row3[2]=5, Row2[1]=15, Row4[1]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [24]
  • [15,9]
  • [10,5,4]
  • [7,3,2,2]
Base
  • 7
  • 3
  • 2
  • 2
TopValue
24
HiddenCells
  • {"r":2,"c":2,"v":4}
  • {"r":2,"c":1,"v":5}
  • {"r":1,"c":0,"v":15}
  • {"r":3,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [_, _] → [_, 8, 7] → [2, _, 2, 5]

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Answer: Row2[2]=15, Row3[1]=8, Row2[1]=16, Row4[2]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [31]
  • [16,15]
  • [8,8,7]
  • [2,6,2,5]
Base
  • 2
  • 6
  • 2
  • 5
TopValue
31
HiddenCells
  • {"r":1,"c":1,"v":15}
  • {"r":2,"c":0,"v":8}
  • {"r":1,"c":0,"v":16}
  • {"r":3,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [25, _] → [13, 12, 19] → [10, _, 9, _]

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Answer: Row4[4]=10, Row4[2]=3, Row1[1]=56, Row2[2]=31

SubType
number-pyramid
Difficulty
medium
Levels
  • [56]
  • [25,31]
  • [13,12,19]
  • [10,3,9,10]
Base
  • 10
  • 3
  • 9
  • 10
TopValue
56
HiddenCells
  • {"r":3,"c":3,"v":10}
  • {"r":3,"c":1,"v":3}
  • {"r":0,"c":0,"v":56}
  • {"r":1,"c":1,"v":31}