medium Set 21 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 12, 17] → [4, 2, 10, 7]

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Answer: Row3[1]=6, Row1[1]=47, Row2[1]=18, Row2[2]=29

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [18,29]
  • [6,12,17]
  • [4,2,10,7]
Base
  • 4
  • 2
  • 10
  • 7
TopValue
47
HiddenCells
  • {"r":2,"c":0,"v":6}
  • {"r":0,"c":0,"v":47}
  • {"r":1,"c":0,"v":18}
  • {"r":1,"c":1,"v":29}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 38] → [14, 19, 19] → [_, 10, 9, _]

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Answer: Row4[1]=4, Row4[4]=10, Row1[1]=71, Row2[1]=33

SubType
number-pyramid
Difficulty
medium
Levels
  • [71]
  • [33,38]
  • [14,19,19]
  • [4,10,9,10]
Base
  • 4
  • 10
  • 9
  • 10
TopValue
71
HiddenCells
  • {"r":3,"c":0,"v":4}
  • {"r":3,"c":3,"v":10}
  • {"r":0,"c":0,"v":71}
  • {"r":1,"c":0,"v":33}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 28] → [_, 12, 16] → [7, _, 8, 8]

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Answer: Row2[1]=23, Row3[1]=11, Row1[1]=51, Row4[2]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [51]
  • [23,28]
  • [11,12,16]
  • [7,4,8,8]
Base
  • 7
  • 4
  • 8
  • 8
TopValue
51
HiddenCells
  • {"r":1,"c":0,"v":23}
  • {"r":2,"c":0,"v":11}
  • {"r":0,"c":0,"v":51}
  • {"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): [_] → [_, 31] → [14, 17, 14] → [_, 9, _, 6]

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Answer: Row4[3]=8, Row2[1]=31, Row4[1]=5, Row1[1]=62

SubType
number-pyramid
Difficulty
medium
Levels
  • [62]
  • [31,31]
  • [14,17,14]
  • [5,9,8,6]
Base
  • 5
  • 9
  • 8
  • 6
TopValue
62
HiddenCells
  • {"r":3,"c":2,"v":8}
  • {"r":1,"c":0,"v":31}
  • {"r":3,"c":0,"v":5}
  • {"r":0,"c":0,"v":62}