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): [_] → [21, _] → [14, _, 10] → [10, _, 3, 7]

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Answer: Row4[2]=4, Row3[2]=7, Row2[2]=17, Row1[1]=38

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [21,17]
  • [14,7,10]
  • [10,4,3,7]
Base
  • 10
  • 4
  • 3
  • 7
TopValue
38
HiddenCells
  • {"r":3,"c":1,"v":4}
  • {"r":2,"c":1,"v":7}
  • {"r":1,"c":1,"v":17}
  • {"r":0,"c":0,"v":38}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [25, 35] → [_, 17, 18] → [_, _, 10, 8]

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Answer: Row4[1]=1, Row1[1]=60, Row4[2]=7, Row3[1]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [60]
  • [25,35]
  • [8,17,18]
  • [1,7,10,8]
Base
  • 1
  • 7
  • 10
  • 8
TopValue
60
HiddenCells
  • {"r":3,"c":0,"v":1}
  • {"r":0,"c":0,"v":60}
  • {"r":3,"c":1,"v":7}
  • {"r":2,"c":0,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [54] → [28, 26] → [_, _, 14] → [9, 7, _, _]

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Answer: Row4[3]=5, Row3[1]=16, Row3[2]=12, Row4[4]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [54]
  • [28,26]
  • [16,12,14]
  • [9,7,5,9]
Base
  • 9
  • 7
  • 5
  • 9
TopValue
54
HiddenCells
  • {"r":3,"c":2,"v":5}
  • {"r":2,"c":0,"v":16}
  • {"r":2,"c":1,"v":12}
  • {"r":3,"c":3,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [51] → [25, 26] → [13, 12, _] → [9, _, _, _]

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Answer: Row4[2]=4, Row4[3]=8, Row4[4]=6, Row3[3]=14

SubType
number-pyramid
Difficulty
medium
Levels
  • [51]
  • [25,26]
  • [13,12,14]
  • [9,4,8,6]
Base
  • 9
  • 4
  • 8
  • 6
TopValue
51
HiddenCells
  • {"r":3,"c":1,"v":4}
  • {"r":3,"c":2,"v":8}
  • {"r":3,"c":3,"v":6}
  • {"r":2,"c":2,"v":14}