medium Set 26 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [38] → [_, 15] → [12, _, _] → [3, 9, _, 2]

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Answer: Row3[2]=11, Row3[3]=4, Row4[3]=2, Row2[1]=23

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [23,15]
  • [12,11,4]
  • [3,9,2,2]
Base
  • 3
  • 9
  • 2
  • 2
TopValue
38
HiddenCells
  • {"r":2,"c":1,"v":11}
  • {"r":2,"c":2,"v":4}
  • {"r":3,"c":2,"v":2}
  • {"r":1,"c":0,"v":23}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [33, 27] → [_, _, 13] → [_, 10, 4, 9]

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Answer: Row3[1]=19, Row3[2]=14, Row4[1]=9, Row1[1]=60

SubType
number-pyramid
Difficulty
medium
Levels
  • [60]
  • [33,27]
  • [19,14,13]
  • [9,10,4,9]
Base
  • 9
  • 10
  • 4
  • 9
TopValue
60
HiddenCells
  • {"r":2,"c":0,"v":19}
  • {"r":2,"c":1,"v":14}
  • {"r":3,"c":0,"v":9}
  • {"r":0,"c":0,"v":60}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [26, 21] → [15, 11, _] → [_, _, 6, 4]

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Answer: Row4[1]=10, Row3[3]=10, Row1[1]=47, Row4[2]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [26,21]
  • [15,11,10]
  • [10,5,6,4]
Base
  • 10
  • 5
  • 6
  • 4
TopValue
47
HiddenCells
  • {"r":3,"c":0,"v":10}
  • {"r":2,"c":2,"v":10}
  • {"r":0,"c":0,"v":47}
  • {"r":3,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [53] → [23, _] → [_, 14, 16] → [1, _, 6, _]

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Answer: Row2[2]=30, Row4[4]=10, Row4[2]=8, Row3[1]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [23,30]
  • [9,14,16]
  • [1,8,6,10]
Base
  • 1
  • 8
  • 6
  • 10
TopValue
53
HiddenCells
  • {"r":1,"c":1,"v":30}
  • {"r":3,"c":3,"v":10}
  • {"r":3,"c":1,"v":8}
  • {"r":2,"c":0,"v":9}