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): [_] → [_, 19] → [_, 13, 6] → [5, _, 3, 3]

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Answer: Row1[1]=47, Row2[1]=28, Row4[2]=10, Row3[1]=15

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [28,19]
  • [15,13,6]
  • [5,10,3,3]
Base
  • 5
  • 10
  • 3
  • 3
TopValue
47
HiddenCells
  • {"r":0,"c":0,"v":47}
  • {"r":1,"c":0,"v":28}
  • {"r":3,"c":1,"v":10}
  • {"r":2,"c":0,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [_, _] → [_, 7, 9] → [3, 5, _, 7]

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Answer: Row2[2]=16, Row4[3]=2, Row3[1]=8, Row2[1]=15

SubType
number-pyramid
Difficulty
medium
Levels
  • [31]
  • [15,16]
  • [8,7,9]
  • [3,5,2,7]
Base
  • 3
  • 5
  • 2
  • 7
TopValue
31
HiddenCells
  • {"r":1,"c":1,"v":16}
  • {"r":3,"c":2,"v":2}
  • {"r":2,"c":0,"v":8}
  • {"r":1,"c":0,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [37] → [21, 16] → [_, _, 8] → [_, 3, _, 3]

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Answer: Row3[1]=13, Row3[2]=8, Row4[3]=5, Row4[1]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [37]
  • [21,16]
  • [13,8,8]
  • [10,3,5,3]
Base
  • 10
  • 3
  • 5
  • 3
TopValue
37
HiddenCells
  • {"r":2,"c":0,"v":13}
  • {"r":2,"c":1,"v":8}
  • {"r":3,"c":2,"v":5}
  • {"r":3,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [38] → [25, 13] → [14, _, _] → [4, _, 1, _]

Show answer

Answer: Row4[4]=1, Row3[2]=11, Row3[3]=2, Row4[2]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [25,13]
  • [14,11,2]
  • [4,10,1,1]
Base
  • 4
  • 10
  • 1
  • 1
TopValue
38
HiddenCells
  • {"r":3,"c":3,"v":1}
  • {"r":2,"c":1,"v":11}
  • {"r":2,"c":2,"v":2}
  • {"r":3,"c":1,"v":10}