medium Set 42 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [8, 11] → [6, 2, 9] → [_, _, 1, _]

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Answer: Row1[1]=19, Row4[2]=1, Row4[1]=5, Row4[4]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [19]
  • [8,11]
  • [6,2,9]
  • [5,1,1,8]
Base
  • 5
  • 1
  • 1
  • 8
TopValue
19
HiddenCells
  • {"r":0,"c":0,"v":19}
  • {"r":3,"c":1,"v":1}
  • {"r":3,"c":0,"v":5}
  • {"r":3,"c":3,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [16, 12] → [9, _, _] → [_, 5, _, 3]

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Answer: Row3[3]=5, Row4[1]=4, Row4[3]=2, Row3[2]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [28]
  • [16,12]
  • [9,7,5]
  • [4,5,2,3]
Base
  • 4
  • 5
  • 2
  • 3
TopValue
28
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"r":3,"c":0,"v":4}
  • {"r":3,"c":2,"v":2}
  • {"r":2,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [29, 34] → [12, 17, _] → [_, 9, _, 9]

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Answer: Row3[3]=17, Row4[1]=3, Row4[3]=8, Row1[1]=63

SubType
number-pyramid
Difficulty
medium
Levels
  • [63]
  • [29,34]
  • [12,17,17]
  • [3,9,8,9]
Base
  • 3
  • 9
  • 8
  • 9
TopValue
63
HiddenCells
  • {"r":2,"c":2,"v":17}
  • {"r":3,"c":0,"v":3}
  • {"r":3,"c":2,"v":8}
  • {"r":0,"c":0,"v":63}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [44] → [19, 25] → [7, 12, _] → [_, _, _, 4]

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Answer: Row4[3]=9, Row4[1]=4, Row4[2]=3, Row3[3]=13

SubType
number-pyramid
Difficulty
medium
Levels
  • [44]
  • [19,25]
  • [7,12,13]
  • [4,3,9,4]
Base
  • 4
  • 3
  • 9
  • 4
TopValue
44
HiddenCells
  • {"r":3,"c":2,"v":9}
  • {"r":3,"c":0,"v":4}
  • {"r":3,"c":1,"v":3}
  • {"r":2,"c":2,"v":13}