medium Set 68 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 28] → [13, 14, 14] → [8, 5, _, _]

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Answer: Row4[4]=5, Row2[1]=27, Row1[1]=55, Row4[3]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [55]
  • [27,28]
  • [13,14,14]
  • [8,5,9,5]
Base
  • 8
  • 5
  • 9
  • 5
TopValue
55
HiddenCells
  • {"r":3,"c":3,"v":5}
  • {"r":1,"c":0,"v":27}
  • {"r":0,"c":0,"v":55}
  • {"r":3,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [34, _] → [_, 17, _] → [10, 7, 10, 5]

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Answer: Row3[3]=15, Row3[1]=17, Row1[1]=66, Row2[2]=32

SubType
number-pyramid
Difficulty
medium
Levels
  • [66]
  • [34,32]
  • [17,17,15]
  • [10,7,10,5]
Base
  • 10
  • 7
  • 10
  • 5
TopValue
66
HiddenCells
  • {"r":2,"c":2,"v":15}
  • {"r":2,"c":0,"v":17}
  • {"r":0,"c":0,"v":66}
  • {"r":1,"c":1,"v":32}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [47] → [_, 18] → [16, _, 5] → [_, _, 3, 2]

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Answer: Row2[1]=29, Row3[2]=13, Row4[1]=6, Row4[2]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [29,18]
  • [16,13,5]
  • [6,10,3,2]
Base
  • 6
  • 10
  • 3
  • 2
TopValue
47
HiddenCells
  • {"r":1,"c":0,"v":29}
  • {"r":2,"c":1,"v":13}
  • {"r":3,"c":0,"v":6}
  • {"r":3,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [37] → [16, _] → [7, _, 12] → [4, 3, _, _]

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Answer: Row4[3]=6, Row2[2]=21, Row4[4]=6, Row3[2]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [37]
  • [16,21]
  • [7,9,12]
  • [4,3,6,6]
Base
  • 4
  • 3
  • 6
  • 6
TopValue
37
HiddenCells
  • {"r":3,"c":2,"v":6}
  • {"r":1,"c":1,"v":21}
  • {"r":3,"c":3,"v":6}
  • {"r":2,"c":1,"v":9}