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): [_] → [25, 22] → [15, _, 12] → [10, _, _, 7]

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Answer: Row4[3]=5, Row4[2]=5, Row1[1]=47, Row3[2]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [25,22]
  • [15,10,12]
  • [10,5,5,7]
Base
  • 10
  • 5
  • 5
  • 7
TopValue
47
HiddenCells
  • {"r":3,"c":2,"v":5}
  • {"r":3,"c":1,"v":5}
  • {"r":0,"c":0,"v":47}
  • {"r":2,"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): [_] → [14, 17] → [9, _, _] → [8, 1, 4, _]

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Answer: Row4[4]=8, Row3[3]=12, Row1[1]=31, Row3[2]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [31]
  • [14,17]
  • [9,5,12]
  • [8,1,4,8]
Base
  • 8
  • 1
  • 4
  • 8
TopValue
31
HiddenCells
  • {"r":3,"c":3,"v":8}
  • {"r":2,"c":2,"v":12}
  • {"r":0,"c":0,"v":31}
  • {"r":2,"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): [28] → [_, _] → [14, _, 2] → [9, 5, 1, _]

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Answer: Row3[2]=6, Row4[4]=1, Row2[1]=20, Row2[2]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [28]
  • [20,8]
  • [14,6,2]
  • [9,5,1,1]
Base
  • 9
  • 5
  • 1
  • 1
TopValue
28
HiddenCells
  • {"r":2,"c":1,"v":6}
  • {"r":3,"c":3,"v":1}
  • {"r":1,"c":0,"v":20}
  • {"r":1,"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): [36] → [_, _] → [6, 10, _] → [1, _, 5, 5]

Show answer

Answer: Row2[2]=20, Row2[1]=16, Row3[3]=10, Row4[2]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [36]
  • [16,20]
  • [6,10,10]
  • [1,5,5,5]
Base
  • 1
  • 5
  • 5
  • 5
TopValue
36
HiddenCells
  • {"r":1,"c":1,"v":20}
  • {"r":1,"c":0,"v":16}
  • {"r":2,"c":2,"v":10}
  • {"r":3,"c":1,"v":5}