medium Set 19 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [40] → [27, 13] → [18, _, _] → [_, 8, 1, _]

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Answer: Row3[2]=9, Row3[3]=4, Row4[1]=10, Row4[4]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [40]
  • [27,13]
  • [18,9,4]
  • [10,8,1,3]
Base
  • 10
  • 8
  • 1
  • 3
TopValue
40
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":2,"c":2,"v":4}
  • {"r":3,"c":0,"v":10}
  • {"r":3,"c":3,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 15] → [9, 4, _] → [8, _, 3, 8]

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Answer: Row3[3]=11, Row4[2]=1, Row1[1]=28, Row2[1]=13

SubType
number-pyramid
Difficulty
medium
Levels
  • [28]
  • [13,15]
  • [9,4,11]
  • [8,1,3,8]
Base
  • 8
  • 1
  • 3
  • 8
TopValue
28
HiddenCells
  • {"r":2,"c":2,"v":11}
  • {"r":3,"c":1,"v":1}
  • {"r":0,"c":0,"v":28}
  • {"r":1,"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): [47] → [_, 25] → [_, 13, 12] → [4, _, _, 4]

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Answer: Row2[1]=22, Row4[3]=8, Row3[1]=9, Row4[2]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [22,25]
  • [9,13,12]
  • [4,5,8,4]
Base
  • 4
  • 5
  • 8
  • 4
TopValue
47
HiddenCells
  • {"r":1,"c":0,"v":22}
  • {"r":3,"c":2,"v":8}
  • {"r":2,"c":0,"v":9}
  • {"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): [_] → [_, 15] → [12, 9, 6] → [_, _, 4, 2]

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Answer: Row1[1]=36, Row4[2]=5, Row2[1]=21, Row4[1]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [36]
  • [21,15]
  • [12,9,6]
  • [7,5,4,2]
Base
  • 7
  • 5
  • 4
  • 2
TopValue
36
HiddenCells
  • {"r":0,"c":0,"v":36}
  • {"r":3,"c":1,"v":5}
  • {"r":1,"c":0,"v":21}
  • {"r":3,"c":0,"v":7}