medium Set 39 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [63] → [31, 32] → [_, 17, _] → [4, 10, _, _]

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Answer: Row4[4]=8, Row4[3]=7, Row3[1]=14, Row3[3]=15

SubType
number-pyramid
Difficulty
medium
Levels
  • [63]
  • [31,32]
  • [14,17,15]
  • [4,10,7,8]
Base
  • 4
  • 10
  • 7
  • 8
TopValue
63
HiddenCells
  • {"r":3,"c":3,"v":8}
  • {"r":3,"c":2,"v":7}
  • {"r":2,"c":0,"v":14}
  • {"r":2,"c":2,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [36, _] → [18, 18, 13] → [9, 9, _, _]

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Answer: Row4[4]=4, Row4[3]=9, Row1[1]=67, Row2[2]=31

SubType
number-pyramid
Difficulty
medium
Levels
  • [67]
  • [36,31]
  • [18,18,13]
  • [9,9,9,4]
Base
  • 9
  • 9
  • 9
  • 4
TopValue
67
HiddenCells
  • {"r":3,"c":3,"v":4}
  • {"r":3,"c":2,"v":9}
  • {"r":0,"c":0,"v":67}
  • {"r":1,"c":1,"v":31}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [29, 38] → [11, _, 20] → [3, 8, _, _]

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Answer: Row4[4]=10, Row4[3]=10, Row1[1]=67, Row3[2]=18

SubType
number-pyramid
Difficulty
medium
Levels
  • [67]
  • [29,38]
  • [11,18,20]
  • [3,8,10,10]
Base
  • 3
  • 8
  • 10
  • 10
TopValue
67
HiddenCells
  • {"r":3,"c":3,"v":10}
  • {"r":3,"c":2,"v":10}
  • {"r":0,"c":0,"v":67}
  • {"r":2,"c":1,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [26, 23] → [_, 14, _] → [4, 8, _, 3]

Show answer

Answer: Row3[3]=9, Row1[1]=49, Row4[3]=6, Row3[1]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [49]
  • [26,23]
  • [12,14,9]
  • [4,8,6,3]
Base
  • 4
  • 8
  • 6
  • 3
TopValue
49
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":0,"c":0,"v":49}
  • {"r":3,"c":2,"v":6}
  • {"r":2,"c":0,"v":12}