medium Set 72 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [46] → [28, _] → [17, _, 7] → [_, _, 2, 5]

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Answer: Row4[1]=8, Row4[2]=9, Row3[2]=11, Row2[2]=18

SubType
number-pyramid
Difficulty
medium
Levels
  • [46]
  • [28,18]
  • [17,11,7]
  • [8,9,2,5]
Base
  • 8
  • 9
  • 2
  • 5
TopValue
46
HiddenCells
  • {"r":3,"c":0,"v":8}
  • {"r":3,"c":1,"v":9}
  • {"r":2,"c":1,"v":11}
  • {"r":1,"c":1,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [13, _, 14] → [8, 5, 7, 7]

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Answer: Row3[2]=12, Row2[2]=26, Row1[1]=51, Row2[1]=25

SubType
number-pyramid
Difficulty
medium
Levels
  • [51]
  • [25,26]
  • [13,12,14]
  • [8,5,7,7]
Base
  • 8
  • 5
  • 7
  • 7
TopValue
51
HiddenCells
  • {"r":2,"c":1,"v":12}
  • {"r":1,"c":1,"v":26}
  • {"r":0,"c":0,"v":51}
  • {"r":1,"c":0,"v":25}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [48] → [21, 27] → [10, 11, 16] → [_, _, _, _]

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Answer: Row4[1]=7, Row4[3]=8, Row4[2]=3, Row4[4]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [48]
  • [21,27]
  • [10,11,16]
  • [7,3,8,8]
Base
  • 7
  • 3
  • 8
  • 8
TopValue
48
HiddenCells
  • {"r":3,"c":0,"v":7}
  • {"r":3,"c":2,"v":8}
  • {"r":3,"c":1,"v":3}
  • {"r":3,"c":3,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [6, _] → [2, _, 7] → [1, _, _, 4]

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

SubType
number-pyramid
Difficulty
medium
Levels
  • [17]
  • [6,11]
  • [2,4,7]
  • [1,1,3,4]
Base
  • 1
  • 1
  • 3
  • 4
TopValue
17
HiddenCells
  • {"r":3,"c":1,"v":1}
  • {"r":1,"c":1,"v":11}
  • {"r":2,"c":1,"v":4}
  • {"r":3,"c":2,"v":3}