medium Set 22 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 20] → [15, 12, _] → [6, 9, _, 5]

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Answer: Row1[1]=47, Row2[1]=27, Row3[3]=8, Row4[3]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [27,20]
  • [15,12,8]
  • [6,9,3,5]
Base
  • 6
  • 9
  • 3
  • 5
TopValue
47
HiddenCells
  • {"r":0,"c":0,"v":47}
  • {"r":1,"c":0,"v":27}
  • {"r":2,"c":2,"v":8}
  • {"r":3,"c":2,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 18, 16] → [8, 8, 10, 6]

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Answer: Row2[1]=34, Row1[1]=68, Row2[2]=34, Row3[1]=16

SubType
number-pyramid
Difficulty
medium
Levels
  • [68]
  • [34,34]
  • [16,18,16]
  • [8,8,10,6]
Base
  • 8
  • 8
  • 10
  • 6
TopValue
68
HiddenCells
  • {"r":1,"c":0,"v":34}
  • {"r":0,"c":0,"v":68}
  • {"r":1,"c":1,"v":34}
  • {"r":2,"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): [47] → [20, _] → [8, 12, _] → [_, 3, _, 6]

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Answer: Row4[3]=9, Row3[3]=15, Row4[1]=5, Row2[2]=27

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [20,27]
  • [8,12,15]
  • [5,3,9,6]
Base
  • 5
  • 3
  • 9
  • 6
TopValue
47
HiddenCells
  • {"r":3,"c":2,"v":9}
  • {"r":2,"c":2,"v":15}
  • {"r":3,"c":0,"v":5}
  • {"r":1,"c":1,"v":27}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [43] → [21, _] → [10, 11, _] → [_, _, 4, 7]

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Answer: Row2[2]=22, Row3[3]=11, Row4[2]=7, Row4[1]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [43]
  • [21,22]
  • [10,11,11]
  • [3,7,4,7]
Base
  • 3
  • 7
  • 4
  • 7
TopValue
43
HiddenCells
  • {"r":1,"c":1,"v":22}
  • {"r":2,"c":2,"v":11}
  • {"r":3,"c":1,"v":7}
  • {"r":3,"c":0,"v":3}