medium Set 86 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [_, 18] → [4, _, 10] → [_, 2, 6, _]

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Answer: Row4[4]=4, Row3[2]=8, Row4[1]=2, Row2[1]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [30]
  • [12,18]
  • [4,8,10]
  • [2,2,6,4]
Base
  • 2
  • 2
  • 6
  • 4
TopValue
30
HiddenCells
  • {"r":3,"c":3,"v":4}
  • {"r":2,"c":1,"v":8}
  • {"r":3,"c":0,"v":2}
  • {"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): [38] → [20, 18] → [9, 11, 7] → [_, _, _, _]

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

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [20,18]
  • [9,11,7]
  • [2,7,4,3]
Base
  • 2
  • 7
  • 4
  • 3
TopValue
38
HiddenCells
  • {"r":3,"c":1,"v":7}
  • {"r":3,"c":3,"v":3}
  • {"r":3,"c":2,"v":4}
  • {"r":3,"c":0,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [57] → [_, 25] → [17, _, 10] → [_, _, 6, 4]

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Answer: Row2[1]=32, Row4[2]=9, Row3[2]=15, Row4[1]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [57]
  • [32,25]
  • [17,15,10]
  • [8,9,6,4]
Base
  • 8
  • 9
  • 6
  • 4
TopValue
57
HiddenCells
  • {"r":1,"c":0,"v":32}
  • {"r":3,"c":1,"v":9}
  • {"r":2,"c":1,"v":15}
  • {"r":3,"c":0,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [47] → [17, 30] → [6, _, 19] → [_, _, _, 10]

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Answer: Row4[1]=4, Row4[3]=9, Row4[2]=2, Row3[2]=11

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [17,30]
  • [6,11,19]
  • [4,2,9,10]
Base
  • 4
  • 2
  • 9
  • 10
TopValue
47
HiddenCells
  • {"r":3,"c":0,"v":4}
  • {"r":3,"c":2,"v":9}
  • {"r":3,"c":1,"v":2}
  • {"r":2,"c":1,"v":11}