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, 38] → [_, 19, _] → [_, 10, 9, 10]

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Answer: Row4[1]=2, Row3[3]=19, Row3[1]=12, Row1[1]=69

SubType
number-pyramid
Difficulty
medium
Levels
  • [69]
  • [31,38]
  • [12,19,19]
  • [2,10,9,10]
Base
  • 2
  • 10
  • 9
  • 10
TopValue
69
HiddenCells
  • {"r":3,"c":0,"v":2}
  • {"r":2,"c":2,"v":19}
  • {"r":2,"c":0,"v":12}
  • {"r":0,"c":0,"v":69}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [37] → [19, _] → [11, _, 10] → [_, _, 2, 8]

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Answer: Row4[1]=5, Row4[2]=6, Row3[2]=8, Row2[2]=18

SubType
number-pyramid
Difficulty
medium
Levels
  • [37]
  • [19,18]
  • [11,8,10]
  • [5,6,2,8]
Base
  • 5
  • 6
  • 2
  • 8
TopValue
37
HiddenCells
  • {"r":3,"c":0,"v":5}
  • {"r":3,"c":1,"v":6}
  • {"r":2,"c":1,"v":8}
  • {"r":1,"c":1,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [7, 12] → [_, _, _] → [_, 1, 2, 7]

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

SubType
number-pyramid
Difficulty
medium
Levels
  • [19]
  • [7,12]
  • [4,3,9]
  • [3,1,2,7]
Base
  • 3
  • 1
  • 2
  • 7
TopValue
19
HiddenCells
  • {"r":2,"c":1,"v":3}
  • {"r":2,"c":0,"v":4}
  • {"r":2,"c":2,"v":9}
  • {"r":3,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [16, 9] → [10, 6, _] → [_, 5, _, _]

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

SubType
number-pyramid
Difficulty
medium
Levels
  • [25]
  • [16,9]
  • [10,6,3]
  • [5,5,1,2]
Base
  • 5
  • 5
  • 1
  • 2
TopValue
25
HiddenCells
  • {"r":3,"c":0,"v":5}
  • {"r":3,"c":3,"v":2}
  • {"r":2,"c":2,"v":3}
  • {"r":3,"c":2,"v":1}