medium Set 27 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [52] → [28, _] → [_, 15, 9] → [_, _, 6, 3]

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Answer: Row4[1]=4, Row4[2]=9, Row3[1]=13, Row2[2]=24

SubType
number-pyramid
Difficulty
medium
Levels
  • [52]
  • [28,24]
  • [13,15,9]
  • [4,9,6,3]
Base
  • 4
  • 9
  • 6
  • 3
TopValue
52
HiddenCells
  • {"r":3,"c":0,"v":4}
  • {"r":3,"c":1,"v":9}
  • {"r":2,"c":0,"v":13}
  • {"r":1,"c":1,"v":24}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [36] → [_, 19] → [9, _, 11] → [_, _, 6, 5]

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Answer: Row4[1]=7, Row4[2]=2, Row3[2]=8, Row2[1]=17

SubType
number-pyramid
Difficulty
medium
Levels
  • [36]
  • [17,19]
  • [9,8,11]
  • [7,2,6,5]
Base
  • 7
  • 2
  • 6
  • 5
TopValue
36
HiddenCells
  • {"r":3,"c":0,"v":7}
  • {"r":3,"c":1,"v":2}
  • {"r":2,"c":1,"v":8}
  • {"r":1,"c":0,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [44] → [19, _] → [9, _, _] → [_, 5, 5, 10]

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Answer: Row2[2]=25, Row3[3]=15, Row4[1]=4, Row3[2]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [44]
  • [19,25]
  • [9,10,15]
  • [4,5,5,10]
Base
  • 4
  • 5
  • 5
  • 10
TopValue
44
HiddenCells
  • {"r":1,"c":1,"v":25}
  • {"r":2,"c":2,"v":15}
  • {"r":3,"c":0,"v":4}
  • {"r":2,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 26] → [18, 17, 9] → [8, 10, _, _]

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Answer: Row4[3]=7, Row2[1]=35, Row1[1]=61, Row4[4]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [61]
  • [35,26]
  • [18,17,9]
  • [8,10,7,2]
Base
  • 8
  • 10
  • 7
  • 2
TopValue
61
HiddenCells
  • {"r":3,"c":2,"v":7}
  • {"r":1,"c":0,"v":35}
  • {"r":0,"c":0,"v":61}
  • {"r":3,"c":3,"v":2}