medium Set 55 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [13, _] → [4, 9, _] → [_, 3, 6, 9]

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Answer: Row2[2]=24, Row3[3]=15, Row4[1]=1, Row1[1]=37

SubType
number-pyramid
Difficulty
medium
Levels
  • [37]
  • [13,24]
  • [4,9,15]
  • [1,3,6,9]
Base
  • 1
  • 3
  • 6
  • 9
TopValue
37
HiddenCells
  • {"r":1,"c":1,"v":24}
  • {"r":2,"c":2,"v":15}
  • {"r":3,"c":0,"v":1}
  • {"r":0,"c":0,"v":37}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [41] → [_, _] → [_, _, 11] → [1, 5, 7, 4]

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Answer: Row3[1]=6, Row3[2]=12, Row2[1]=18, Row2[2]=23

SubType
number-pyramid
Difficulty
medium
Levels
  • [41]
  • [18,23]
  • [6,12,11]
  • [1,5,7,4]
Base
  • 1
  • 5
  • 7
  • 4
TopValue
41
HiddenCells
  • {"r":2,"c":0,"v":6}
  • {"r":2,"c":1,"v":12}
  • {"r":1,"c":0,"v":18}
  • {"r":1,"c":1,"v":23}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [50] → [24, 26] → [11, _, _] → [4, _, _, 7]

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Answer: Row4[3]=6, Row3[2]=13, Row4[2]=7, Row3[3]=13

SubType
number-pyramid
Difficulty
medium
Levels
  • [50]
  • [24,26]
  • [11,13,13]
  • [4,7,6,7]
Base
  • 4
  • 7
  • 6
  • 7
TopValue
50
HiddenCells
  • {"r":3,"c":2,"v":6}
  • {"r":2,"c":1,"v":13}
  • {"r":3,"c":1,"v":7}
  • {"r":2,"c":2,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [15, _] → [_, 8, _] → [5, 2, 6, _]

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Answer: Row4[4]=1, Row3[3]=7, Row3[1]=7, Row2[2]=15

SubType
number-pyramid
Difficulty
medium
Levels
  • [30]
  • [15,15]
  • [7,8,7]
  • [5,2,6,1]
Base
  • 5
  • 2
  • 6
  • 1
TopValue
30
HiddenCells
  • {"r":3,"c":3,"v":1}
  • {"r":2,"c":2,"v":7}
  • {"r":2,"c":0,"v":7}
  • {"r":1,"c":1,"v":15}