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): [47] → [_, 20] → [_, 12, _] → [7, 8, 4, _]

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Answer: Row2[1]=27, Row3[3]=8, Row3[1]=15, Row4[4]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [27,20]
  • [15,12,8]
  • [7,8,4,4]
Base
  • 7
  • 8
  • 4
  • 4
TopValue
47
HiddenCells
  • {"r":1,"c":0,"v":27}
  • {"r":2,"c":2,"v":8}
  • {"r":2,"c":0,"v":15}
  • {"r":3,"c":3,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [_, 15] → [6, 6, 9] → [_, 1, _, _]

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

SubType
number-pyramid
Difficulty
medium
Levels
  • [27]
  • [12,15]
  • [6,6,9]
  • [5,1,5,4]
Base
  • 5
  • 1
  • 5
  • 4
TopValue
27
HiddenCells
  • {"r":3,"c":2,"v":5}
  • {"r":3,"c":0,"v":5}
  • {"r":3,"c":3,"v":4}
  • {"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): [_] → [_, 17] → [4, _, _] → [3, 1, 7, 2]

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Answer: Row2[1]=12, Row3[3]=9, Row3[2]=8, Row1[1]=29

SubType
number-pyramid
Difficulty
medium
Levels
  • [29]
  • [12,17]
  • [4,8,9]
  • [3,1,7,2]
Base
  • 3
  • 1
  • 7
  • 2
TopValue
29
HiddenCells
  • {"r":1,"c":0,"v":12}
  • {"r":2,"c":2,"v":9}
  • {"r":2,"c":1,"v":8}
  • {"r":0,"c":0,"v":29}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [53] → [25, 28] → [_, _, _] → [7, _, 6, 10]

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Answer: Row3[2]=12, Row3[1]=13, Row4[2]=6, Row3[3]=16

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [25,28]
  • [13,12,16]
  • [7,6,6,10]
Base
  • 7
  • 6
  • 6
  • 10
TopValue
53
HiddenCells
  • {"r":2,"c":1,"v":12}
  • {"r":2,"c":0,"v":13}
  • {"r":3,"c":1,"v":6}
  • {"r":2,"c":2,"v":16}