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): [33] → [15, 18] → [_, _, 9] → [_, 1, _, 1]

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Answer: Row4[3]=8, Row3[1]=6, Row4[1]=5, Row3[2]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [33]
  • [15,18]
  • [6,9,9]
  • [5,1,8,1]
Base
  • 5
  • 1
  • 8
  • 1
TopValue
33
HiddenCells
  • {"r":3,"c":2,"v":8}
  • {"r":2,"c":0,"v":6}
  • {"r":3,"c":0,"v":5}
  • {"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): [26] → [_, 13] → [_, 3, 10] → [8, _, 1, _]

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Answer: Row4[2]=2, Row2[1]=13, Row4[4]=9, Row3[1]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [26]
  • [13,13]
  • [10,3,10]
  • [8,2,1,9]
Base
  • 8
  • 2
  • 1
  • 9
TopValue
26
HiddenCells
  • {"r":3,"c":1,"v":2}
  • {"r":1,"c":0,"v":13}
  • {"r":3,"c":3,"v":9}
  • {"r":2,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [40] → [20, 20] → [10, 10, 10] → [_, _, _, _]

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Answer: Row4[3]=6, Row4[2]=4, Row4[1]=6, Row4[4]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [40]
  • [20,20]
  • [10,10,10]
  • [6,4,6,4]
Base
  • 6
  • 4
  • 6
  • 4
TopValue
40
HiddenCells
  • {"r":3,"c":2,"v":6}
  • {"r":3,"c":1,"v":4}
  • {"r":3,"c":0,"v":6}
  • {"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): [_] → [_, 39] → [_, 20, 19] → [9, _, 10, 9]

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Answer: Row2[1]=39, Row1[1]=78, Row3[1]=19, Row4[2]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [78]
  • [39,39]
  • [19,20,19]
  • [9,10,10,9]
Base
  • 9
  • 10
  • 10
  • 9
TopValue
78
HiddenCells
  • {"r":1,"c":0,"v":39}
  • {"r":0,"c":0,"v":78}
  • {"r":2,"c":0,"v":19}
  • {"r":3,"c":1,"v":10}