medium Set 49 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [47] → [31, _] → [19, 12, _] → [10, 9, _, _]

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Answer: Row4[4]=1, Row3[3]=4, Row4[3]=3, Row2[2]=16

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [31,16]
  • [19,12,4]
  • [10,9,3,1]
Base
  • 10
  • 9
  • 3
  • 1
TopValue
47
HiddenCells
  • {"r":3,"c":3,"v":1}
  • {"r":2,"c":2,"v":4}
  • {"r":3,"c":2,"v":3}
  • {"r":1,"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): [_] → [26, 27] → [11, _, 12] → [_, 9, 6, _]

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Answer: Row1[1]=53, Row4[4]=6, Row3[2]=15, Row4[1]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [26,27]
  • [11,15,12]
  • [2,9,6,6]
Base
  • 2
  • 9
  • 6
  • 6
TopValue
53
HiddenCells
  • {"r":0,"c":0,"v":53}
  • {"r":3,"c":3,"v":6}
  • {"r":2,"c":1,"v":15}
  • {"r":3,"c":0,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 20] → [10, 12, 8] → [_, 8, 4, _]

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Answer: Row1[1]=42, Row4[4]=4, Row2[1]=22, Row4[1]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [22,20]
  • [10,12,8]
  • [2,8,4,4]
Base
  • 2
  • 8
  • 4
  • 4
TopValue
42
HiddenCells
  • {"r":0,"c":0,"v":42}
  • {"r":3,"c":3,"v":4}
  • {"r":1,"c":0,"v":22}
  • {"r":3,"c":0,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [20, 14] → [_, 7, 7] → [_, _, 4, 3]

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Answer: Row1[1]=34, Row4[2]=3, Row4[1]=10, Row3[1]=13

SubType
number-pyramid
Difficulty
medium
Levels
  • [34]
  • [20,14]
  • [13,7,7]
  • [10,3,4,3]
Base
  • 10
  • 3
  • 4
  • 3
TopValue
34
HiddenCells
  • {"r":0,"c":0,"v":34}
  • {"r":3,"c":1,"v":3}
  • {"r":3,"c":0,"v":10}
  • {"r":2,"c":0,"v":13}