medium Set 77 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [66] → [32, _] → [15, 17, 17] → [_, 8, _, _]

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Answer: Row4[1]=7, Row4[4]=8, Row4[3]=9, Row2[2]=34

SubType
number-pyramid
Difficulty
medium
Levels
  • [66]
  • [32,34]
  • [15,17,17]
  • [7,8,9,8]
Base
  • 7
  • 8
  • 9
  • 8
TopValue
66
HiddenCells
  • {"r":3,"c":0,"v":7}
  • {"r":3,"c":3,"v":8}
  • {"r":3,"c":2,"v":9}
  • {"r":1,"c":1,"v":34}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [26] → [_, 13] → [9, _, _] → [7, 2, _, 7]

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Answer: Row4[3]=2, Row3[2]=4, Row2[1]=13, Row3[3]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [26]
  • [13,13]
  • [9,4,9]
  • [7,2,2,7]
Base
  • 7
  • 2
  • 2
  • 7
TopValue
26
HiddenCells
  • {"r":3,"c":2,"v":2}
  • {"r":2,"c":1,"v":4}
  • {"r":1,"c":0,"v":13}
  • {"r":2,"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): [_] → [_, 20] → [_, 8, 12] → [_, 3, 5, 7]

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Answer: Row3[1]=4, Row2[1]=12, Row4[1]=1, Row1[1]=32

SubType
number-pyramid
Difficulty
medium
Levels
  • [32]
  • [12,20]
  • [4,8,12]
  • [1,3,5,7]
Base
  • 1
  • 3
  • 5
  • 7
TopValue
32
HiddenCells
  • {"r":2,"c":0,"v":4}
  • {"r":1,"c":0,"v":12}
  • {"r":3,"c":0,"v":1}
  • {"r":0,"c":0,"v":32}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [35] → [17, 18] → [_, _, 11] → [_, 1, 6, _]

Show answer

Answer: Row4[4]=5, Row4[1]=9, Row3[1]=10, Row3[2]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [35]
  • [17,18]
  • [10,7,11]
  • [9,1,6,5]
Base
  • 9
  • 1
  • 6
  • 5
TopValue
35
HiddenCells
  • {"r":3,"c":3,"v":5}
  • {"r":3,"c":0,"v":9}
  • {"r":2,"c":0,"v":10}
  • {"r":2,"c":1,"v":7}