medium Set 98 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [50] → [_, _] → [9, 13, 15] → [1, 8, _, _]

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Answer: Row2[2]=28, Row2[1]=22, Row4[4]=10, Row4[3]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [50]
  • [22,28]
  • [9,13,15]
  • [1,8,5,10]
Base
  • 1
  • 8
  • 5
  • 10
TopValue
50
HiddenCells
  • {"r":1,"c":1,"v":28}
  • {"r":1,"c":0,"v":22}
  • {"r":3,"c":3,"v":10}
  • {"r":3,"c":2,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [17, _] → [9, 8, _] → [2, _, 1, 4]

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Answer: Row2[2]=13, Row1[1]=30, Row3[3]=5, Row4[2]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [30]
  • [17,13]
  • [9,8,5]
  • [2,7,1,4]
Base
  • 2
  • 7
  • 1
  • 4
TopValue
30
HiddenCells
  • {"r":1,"c":1,"v":13}
  • {"r":0,"c":0,"v":30}
  • {"r":2,"c":2,"v":5}
  • {"r":3,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [32] → [18, 14] → [13, 5, 9] → [_, _, _, _]

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Answer: Row4[1]=10, Row4[3]=2, Row4[4]=7, Row4[2]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [32]
  • [18,14]
  • [13,5,9]
  • [10,3,2,7]
Base
  • 10
  • 3
  • 2
  • 7
TopValue
32
HiddenCells
  • {"r":3,"c":0,"v":10}
  • {"r":3,"c":2,"v":2}
  • {"r":3,"c":3,"v":7}
  • {"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): [_] → [17, 21] → [9, 8, 13] → [_, _, 4, _]

Show answer

Answer: Row4[1]=5, Row1[1]=38, Row4[2]=4, Row4[4]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [17,21]
  • [9,8,13]
  • [5,4,4,9]
Base
  • 5
  • 4
  • 4
  • 9
TopValue
38
HiddenCells
  • {"r":3,"c":0,"v":5}
  • {"r":0,"c":0,"v":38}
  • {"r":3,"c":1,"v":4}
  • {"r":3,"c":3,"v":9}