medium Set 59 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 20] → [12, 8, _] → [9, 3, _, 7]

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Answer: Row3[3]=12, Row2[1]=20, Row4[3]=5, Row1[1]=40

SubType
number-pyramid
Difficulty
medium
Levels
  • [40]
  • [20,20]
  • [12,8,12]
  • [9,3,5,7]
Base
  • 9
  • 3
  • 5
  • 7
TopValue
40
HiddenCells
  • {"r":2,"c":2,"v":12}
  • {"r":1,"c":0,"v":20}
  • {"r":3,"c":2,"v":5}
  • {"r":0,"c":0,"v":40}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [27, 27] → [_, 15, _] → [5, 7, 8, _]

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Answer: Row3[3]=12, Row3[1]=12, Row4[4]=4, Row1[1]=54

SubType
number-pyramid
Difficulty
medium
Levels
  • [54]
  • [27,27]
  • [12,15,12]
  • [5,7,8,4]
Base
  • 5
  • 7
  • 8
  • 4
TopValue
54
HiddenCells
  • {"r":2,"c":2,"v":12}
  • {"r":2,"c":0,"v":12}
  • {"r":3,"c":3,"v":4}
  • {"r":0,"c":0,"v":54}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [20, 18] → [12, _, 10] → [9, 3, _, _]

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Answer: Row3[2]=8, Row1[1]=38, Row4[4]=5, Row4[3]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [20,18]
  • [12,8,10]
  • [9,3,5,5]
Base
  • 9
  • 3
  • 5
  • 5
TopValue
38
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"r":0,"c":0,"v":38}
  • {"r":3,"c":3,"v":5}
  • {"r":3,"c":2,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [53] → [25, _] → [9, _, 12] → [1, _, 8, _]

Show answer

Answer: Row4[2]=8, Row2[2]=28, Row3[2]=16, Row4[4]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [25,28]
  • [9,16,12]
  • [1,8,8,4]
Base
  • 1
  • 8
  • 8
  • 4
TopValue
53
HiddenCells
  • {"r":3,"c":1,"v":8}
  • {"r":1,"c":1,"v":28}
  • {"r":2,"c":1,"v":16}
  • {"r":3,"c":3,"v":4}