medium Set 82 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [53] → [_, _] → [_, _, 15] → [1, 7, 8, 7]

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Answer: Row2[1]=23, Row3[2]=15, Row3[1]=8, Row2[2]=30

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [23,30]
  • [8,15,15]
  • [1,7,8,7]
Base
  • 1
  • 7
  • 8
  • 7
TopValue
53
HiddenCells
  • {"r":1,"c":0,"v":23}
  • {"r":2,"c":1,"v":15}
  • {"r":2,"c":0,"v":8}
  • {"r":1,"c":1,"v":30}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [32, _] → [13, 19, 10] → [3, _, _, 1]

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Answer: Row4[2]=10, Row1[1]=61, Row2[2]=29, Row4[3]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [61]
  • [32,29]
  • [13,19,10]
  • [3,10,9,1]
Base
  • 3
  • 10
  • 9
  • 1
TopValue
61
HiddenCells
  • {"r":3,"c":1,"v":10}
  • {"r":0,"c":0,"v":61}
  • {"r":1,"c":1,"v":29}
  • {"r":3,"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): [_] → [_, 31] → [_, 19, 12] → [_, 9, 10, 2]

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Answer: Row3[1]=18, Row1[1]=68, Row4[1]=9, Row2[1]=37

SubType
number-pyramid
Difficulty
medium
Levels
  • [68]
  • [37,31]
  • [18,19,12]
  • [9,9,10,2]
Base
  • 9
  • 9
  • 10
  • 2
TopValue
68
HiddenCells
  • {"r":2,"c":0,"v":18}
  • {"r":0,"c":0,"v":68}
  • {"r":3,"c":0,"v":9}
  • {"r":1,"c":0,"v":37}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [53] → [31, 22] → [17, 14, _] → [_, _, 6, _]

Show answer

Answer: Row4[2]=8, Row3[3]=8, Row4[4]=2, Row4[1]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [31,22]
  • [17,14,8]
  • [9,8,6,2]
Base
  • 9
  • 8
  • 6
  • 2
TopValue
53
HiddenCells
  • {"r":3,"c":1,"v":8}
  • {"r":2,"c":2,"v":8}
  • {"r":3,"c":3,"v":2}
  • {"r":3,"c":0,"v":9}