medium Set 51 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [53] → [_, _] → [_, 16, 11] → [2, _, 8, 3]

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Answer: Row2[2]=27, Row2[1]=26, Row4[2]=8, Row3[1]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [26,27]
  • [10,16,11]
  • [2,8,8,3]
Base
  • 2
  • 8
  • 8
  • 3
TopValue
53
HiddenCells
  • {"r":1,"c":1,"v":27}
  • {"r":1,"c":0,"v":26}
  • {"r":3,"c":1,"v":8}
  • {"r":2,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [38] → [_, 11] → [18, _, _] → [10, _, 1, 1]

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Answer: Row4[2]=8, Row2[1]=27, Row3[2]=9, Row3[3]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [27,11]
  • [18,9,2]
  • [10,8,1,1]
Base
  • 10
  • 8
  • 1
  • 1
TopValue
38
HiddenCells
  • {"r":3,"c":1,"v":8}
  • {"r":1,"c":0,"v":27}
  • {"r":2,"c":1,"v":9}
  • {"r":2,"c":2,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [14] → [_, 8] → [3, 3, _] → [2, _, _, 3]

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Answer: Row3[3]=5, Row4[3]=2, Row2[1]=6, Row4[2]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [14]
  • [6,8]
  • [3,3,5]
  • [2,1,2,3]
Base
  • 2
  • 1
  • 2
  • 3
TopValue
14
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"r":3,"c":2,"v":2}
  • {"r":1,"c":0,"v":6}
  • {"r":3,"c":1,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 33] → [_, 19, 14] → [_, 10, 9, 5]

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Answer: Row3[1]=14, Row4[1]=4, Row1[1]=66, Row2[1]=33

SubType
number-pyramid
Difficulty
medium
Levels
  • [66]
  • [33,33]
  • [14,19,14]
  • [4,10,9,5]
Base
  • 4
  • 10
  • 9
  • 5
TopValue
66
HiddenCells
  • {"r":2,"c":0,"v":14}
  • {"r":3,"c":0,"v":4}
  • {"r":0,"c":0,"v":66}
  • {"r":1,"c":0,"v":33}