medium Set 39 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [39] → [17, _] → [10, 7, _] → [_, _, 6, 9]

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Answer: Row4[1]=9, Row3[3]=15, Row4[2]=1, Row2[2]=22

SubType
number-pyramid
Difficulty
medium
Levels
  • [39]
  • [17,22]
  • [10,7,15]
  • [9,1,6,9]
Base
  • 9
  • 1
  • 6
  • 9
TopValue
39
HiddenCells
  • {"r":3,"c":0,"v":9}
  • {"r":2,"c":2,"v":15}
  • {"r":3,"c":1,"v":1}
  • {"r":1,"c":1,"v":22}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 21] → [9, 7, 14] → [_, 1, _, 8]

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Answer: Row4[1]=8, Row1[1]=37, Row4[3]=6, Row2[1]=16

SubType
number-pyramid
Difficulty
medium
Levels
  • [37]
  • [16,21]
  • [9,7,14]
  • [8,1,6,8]
Base
  • 8
  • 1
  • 6
  • 8
TopValue
37
HiddenCells
  • {"r":3,"c":0,"v":8}
  • {"r":0,"c":0,"v":37}
  • {"r":3,"c":2,"v":6}
  • {"r":1,"c":0,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [42] → [_, _] → [_, 8, 15] → [9, 2, _, 9]

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Answer: Row3[1]=11, Row4[3]=6, Row2[2]=23, Row2[1]=19

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [19,23]
  • [11,8,15]
  • [9,2,6,9]
Base
  • 9
  • 2
  • 6
  • 9
TopValue
42
HiddenCells
  • {"r":2,"c":0,"v":11}
  • {"r":3,"c":2,"v":6}
  • {"r":1,"c":1,"v":23}
  • {"r":1,"c":0,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [43] → [19, 24] → [_, 12, _] → [_, 3, _, 3]

Show answer

Answer: Row3[3]=12, Row4[1]=4, Row3[1]=7, Row4[3]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [43]
  • [19,24]
  • [7,12,12]
  • [4,3,9,3]
Base
  • 4
  • 3
  • 9
  • 3
TopValue
43
HiddenCells
  • {"r":2,"c":2,"v":12}
  • {"r":3,"c":0,"v":4}
  • {"r":2,"c":0,"v":7}
  • {"r":3,"c":2,"v":9}