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, _] → [14, _, 15] → [6, _, 8, 7]

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Answer: Row3[2]=16, Row1[1]=61, Row2[2]=31, Row4[2]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [61]
  • [30,31]
  • [14,16,15]
  • [6,8,8,7]
Base
  • 6
  • 8
  • 8
  • 7
TopValue
61
HiddenCells
  • {"r":2,"c":1,"v":16}
  • {"r":0,"c":0,"v":61}
  • {"r":1,"c":1,"v":31}
  • {"r":3,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [55] → [_, _] → [17, 15, 8] → [7, _, _, 3]

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Answer: Row4[3]=5, Row2[1]=32, Row2[2]=23, Row4[2]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [55]
  • [32,23]
  • [17,15,8]
  • [7,10,5,3]
Base
  • 7
  • 10
  • 5
  • 3
TopValue
55
HiddenCells
  • {"r":3,"c":2,"v":5}
  • {"r":1,"c":0,"v":32}
  • {"r":1,"c":1,"v":23}
  • {"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): [52] → [_, 26] → [15, _, _] → [10, _, 6, 9]

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Answer: Row3[2]=11, Row2[1]=26, Row3[3]=15, Row4[2]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [52]
  • [26,26]
  • [15,11,15]
  • [10,5,6,9]
Base
  • 10
  • 5
  • 6
  • 9
TopValue
52
HiddenCells
  • {"r":2,"c":1,"v":11}
  • {"r":1,"c":0,"v":26}
  • {"r":2,"c":2,"v":15}
  • {"r":3,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [16, _] → [8, 8, 7] → [3, 5, _, _]

Show answer

Answer: Row4[4]=4, Row4[3]=3, Row1[1]=31, Row2[2]=15

SubType
number-pyramid
Difficulty
medium
Levels
  • [31]
  • [16,15]
  • [8,8,7]
  • [3,5,3,4]
Base
  • 3
  • 5
  • 3
  • 4
TopValue
31
HiddenCells
  • {"r":3,"c":3,"v":4}
  • {"r":3,"c":2,"v":3}
  • {"r":0,"c":0,"v":31}
  • {"r":1,"c":1,"v":15}