medium Set 53 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 21] → [11, 10, _] → [_, 1, 9, 2]

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Answer: Row4[1]=10, Row1[1]=42, Row2[1]=21, Row3[3]=11

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [21,21]
  • [11,10,11]
  • [10,1,9,2]
Base
  • 10
  • 1
  • 9
  • 2
TopValue
42
HiddenCells
  • {"r":3,"c":0,"v":10}
  • {"r":0,"c":0,"v":42}
  • {"r":1,"c":0,"v":21}
  • {"r":2,"c":2,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [34] → [14, 20] → [7, _, _] → [_, _, 6, 7]

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Answer: Row4[2]=1, Row4[1]=6, Row3[2]=7, Row3[3]=13

SubType
number-pyramid
Difficulty
medium
Levels
  • [34]
  • [14,20]
  • [7,7,13]
  • [6,1,6,7]
Base
  • 6
  • 1
  • 6
  • 7
TopValue
34
HiddenCells
  • {"r":3,"c":1,"v":1}
  • {"r":3,"c":0,"v":6}
  • {"r":2,"c":1,"v":7}
  • {"r":2,"c":2,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [36] → [17, 19] → [_, _, 10] → [4, _, _, 5]

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Answer: Row4[3]=5, Row3[1]=8, Row4[2]=4, Row3[2]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [36]
  • [17,19]
  • [8,9,10]
  • [4,4,5,5]
Base
  • 4
  • 4
  • 5
  • 5
TopValue
36
HiddenCells
  • {"r":3,"c":2,"v":5}
  • {"r":2,"c":0,"v":8}
  • {"r":3,"c":1,"v":4}
  • {"r":2,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [58] → [29, 29] → [_, _, 13] → [_, 8, 8, _]

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Answer: Row3[1]=13, Row4[1]=5, Row3[2]=16, Row4[4]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [58]
  • [29,29]
  • [13,16,13]
  • [5,8,8,5]
Base
  • 5
  • 8
  • 8
  • 5
TopValue
58
HiddenCells
  • {"r":2,"c":0,"v":13}
  • {"r":3,"c":0,"v":5}
  • {"r":2,"c":1,"v":16}
  • {"r":3,"c":3,"v":5}