medium Set 31 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [31, 28] → [15, _, 12] → [5, _, 6, _]

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Answer: Row1[1]=59, Row4[2]=10, Row4[4]=6, Row3[2]=16

SubType
number-pyramid
Difficulty
medium
Levels
  • [59]
  • [31,28]
  • [15,16,12]
  • [5,10,6,6]
Base
  • 5
  • 10
  • 6
  • 6
TopValue
59
HiddenCells
  • {"r":0,"c":0,"v":59}
  • {"r":3,"c":1,"v":10}
  • {"r":3,"c":3,"v":6}
  • {"r":2,"c":1,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [25, 28] → [12, 13, _] → [_, _, 5, 10]

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Answer: Row1[1]=53, Row4[2]=8, Row4[1]=4, Row3[3]=15

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [25,28]
  • [12,13,15]
  • [4,8,5,10]
Base
  • 4
  • 8
  • 5
  • 10
TopValue
53
HiddenCells
  • {"r":0,"c":0,"v":53}
  • {"r":3,"c":1,"v":8}
  • {"r":3,"c":0,"v":4}
  • {"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): [_] → [27, 22] → [_, 14, 8] → [3, 10, _, _]

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Answer: Row4[4]=4, Row4[3]=4, Row1[1]=49, Row3[1]=13

SubType
number-pyramid
Difficulty
medium
Levels
  • [49]
  • [27,22]
  • [13,14,8]
  • [3,10,4,4]
Base
  • 3
  • 10
  • 4
  • 4
TopValue
49
HiddenCells
  • {"r":3,"c":3,"v":4}
  • {"r":3,"c":2,"v":4}
  • {"r":0,"c":0,"v":49}
  • {"r":2,"c":0,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [52] → [_, 25] → [_, 13, 12] → [_, _, 9, 3]

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Answer: Row4[2]=4, Row2[1]=27, Row4[1]=10, Row3[1]=14

SubType
number-pyramid
Difficulty
medium
Levels
  • [52]
  • [27,25]
  • [14,13,12]
  • [10,4,9,3]
Base
  • 10
  • 4
  • 9
  • 3
TopValue
52
HiddenCells
  • {"r":3,"c":1,"v":4}
  • {"r":1,"c":0,"v":27}
  • {"r":3,"c":0,"v":10}
  • {"r":2,"c":0,"v":14}