medium Set 52 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [44] → [17, _] → [_, _, 17] → [4, 3, 7, _]

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Answer: Row3[2]=10, Row4[4]=10, Row3[1]=7, Row2[2]=27

SubType
number-pyramid
Difficulty
medium
Levels
  • [44]
  • [17,27]
  • [7,10,17]
  • [4,3,7,10]
Base
  • 4
  • 3
  • 7
  • 10
TopValue
44
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":3,"c":3,"v":10}
  • {"r":2,"c":0,"v":7}
  • {"r":1,"c":1,"v":27}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [47] → [26, _] → [_, 13, _] → [4, 9, 4, _]

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Answer: Row4[4]=4, Row3[3]=8, Row3[1]=13, Row2[2]=21

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [26,21]
  • [13,13,8]
  • [4,9,4,4]
Base
  • 4
  • 9
  • 4
  • 4
TopValue
47
HiddenCells
  • {"r":3,"c":3,"v":4}
  • {"r":2,"c":2,"v":8}
  • {"r":2,"c":0,"v":13}
  • {"r":1,"c":1,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [39] → [_, 20] → [_, 8, 12] → [7, _, 4, _]

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Answer: Row4[4]=8, Row4[2]=4, Row2[1]=19, Row3[1]=11

SubType
number-pyramid
Difficulty
medium
Levels
  • [39]
  • [19,20]
  • [11,8,12]
  • [7,4,4,8]
Base
  • 7
  • 4
  • 4
  • 8
TopValue
39
HiddenCells
  • {"r":3,"c":3,"v":8}
  • {"r":3,"c":1,"v":4}
  • {"r":1,"c":0,"v":19}
  • {"r":2,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [59] → [31, 28] → [_, _, 13] → [_, 10, 5, _]

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Answer: Row4[4]=8, Row3[1]=16, Row3[2]=15, Row4[1]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [59]
  • [31,28]
  • [16,15,13]
  • [6,10,5,8]
Base
  • 6
  • 10
  • 5
  • 8
TopValue
59
HiddenCells
  • {"r":3,"c":3,"v":8}
  • {"r":2,"c":0,"v":16}
  • {"r":2,"c":1,"v":15}
  • {"r":3,"c":0,"v":6}