medium Set 11 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [_, _] → [2, _, 7] → [1, _, 4, 3]

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Answer: Row4[2]=1, Row2[1]=7, Row2[2]=12, Row3[2]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [19]
  • [7,12]
  • [2,5,7]
  • [1,1,4,3]
Base
  • 1
  • 1
  • 4
  • 3
TopValue
19
HiddenCells
  • {"r":3,"c":1,"v":1}
  • {"r":1,"c":0,"v":7}
  • {"r":1,"c":1,"v":12}
  • {"r":2,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [49] → [_, _] → [14, 11, 13] → [7, 7, _, _]

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Answer: Row2[1]=25, Row4[4]=9, Row2[2]=24, Row4[3]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [49]
  • [25,24]
  • [14,11,13]
  • [7,7,4,9]
Base
  • 7
  • 7
  • 4
  • 9
TopValue
49
HiddenCells
  • {"r":1,"c":0,"v":25}
  • {"r":3,"c":3,"v":9}
  • {"r":1,"c":1,"v":24}
  • {"r":3,"c":2,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 21] → [_, 9, 12] → [1, 2, 7, _]

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Answer: Row3[1]=3, Row4[4]=5, Row1[1]=33, Row2[1]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [33]
  • [12,21]
  • [3,9,12]
  • [1,2,7,5]
Base
  • 1
  • 2
  • 7
  • 5
TopValue
33
HiddenCells
  • {"r":2,"c":0,"v":3}
  • {"r":3,"c":3,"v":5}
  • {"r":0,"c":0,"v":33}
  • {"r":1,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [68] → [_, 36] → [_, 19, 17] → [_, 10, 9, _]

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Answer: Row4[4]=8, Row4[1]=3, Row3[1]=13, Row2[1]=32

SubType
number-pyramid
Difficulty
medium
Levels
  • [68]
  • [32,36]
  • [13,19,17]
  • [3,10,9,8]
Base
  • 3
  • 10
  • 9
  • 8
TopValue
68
HiddenCells
  • {"r":3,"c":3,"v":8}
  • {"r":3,"c":0,"v":3}
  • {"r":2,"c":0,"v":13}
  • {"r":1,"c":0,"v":32}