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): [47] → [19, _] → [_, _, 17] → [5, 3, 8, _]

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Answer: Row3[2]=11, Row3[1]=8, Row2[2]=28, Row4[4]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [19,28]
  • [8,11,17]
  • [5,3,8,9]
Base
  • 5
  • 3
  • 8
  • 9
TopValue
47
HiddenCells
  • {"r":2,"c":1,"v":11}
  • {"r":2,"c":0,"v":8}
  • {"r":1,"c":1,"v":28}
  • {"r":3,"c":3,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [30, 37] → [12, _, _] → [3, 9, _, 10]

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Answer: Row3[3]=19, Row1[1]=67, Row3[2]=18, Row4[3]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [67]
  • [30,37]
  • [12,18,19]
  • [3,9,9,10]
Base
  • 3
  • 9
  • 9
  • 10
TopValue
67
HiddenCells
  • {"r":2,"c":2,"v":19}
  • {"r":0,"c":0,"v":67}
  • {"r":2,"c":1,"v":18}
  • {"r":3,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [14, 17] → [5, _, _] → [1, _, 5, 3]

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Answer: Row3[2]=9, Row1[1]=31, Row3[3]=8, Row4[2]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [31]
  • [14,17]
  • [5,9,8]
  • [1,4,5,3]
Base
  • 1
  • 4
  • 5
  • 3
TopValue
31
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":0,"c":0,"v":31}
  • {"r":2,"c":2,"v":8}
  • {"r":3,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [51] → [_, 23] → [13, 15, _] → [4, _, 6, _]

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Answer: Row2[1]=28, Row4[4]=2, Row4[2]=9, Row3[3]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [51]
  • [28,23]
  • [13,15,8]
  • [4,9,6,2]
Base
  • 4
  • 9
  • 6
  • 2
TopValue
51
HiddenCells
  • {"r":1,"c":0,"v":28}
  • {"r":3,"c":3,"v":2}
  • {"r":3,"c":1,"v":9}
  • {"r":2,"c":2,"v":8}