medium Set 31 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [_, 16] → [2, _, _] → [1, _, 3, 9]

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Answer: Row2[1]=6, Row3[3]=12, Row3[2]=4, Row4[2]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [22]
  • [6,16]
  • [2,4,12]
  • [1,1,3,9]
Base
  • 1
  • 1
  • 3
  • 9
TopValue
22
HiddenCells
  • {"r":1,"c":0,"v":6}
  • {"r":2,"c":2,"v":12}
  • {"r":2,"c":1,"v":4}
  • {"r":3,"c":1,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [58] → [_, 28] → [16, _, 14] → [10, _, 8, _]

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Answer: Row2[1]=30, Row3[2]=14, Row4[4]=6, Row4[2]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [58]
  • [30,28]
  • [16,14,14]
  • [10,6,8,6]
Base
  • 10
  • 6
  • 8
  • 6
TopValue
58
HiddenCells
  • {"r":1,"c":0,"v":30}
  • {"r":2,"c":1,"v":14}
  • {"r":3,"c":3,"v":6}
  • {"r":3,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [60] → [29, _] → [_, 17, _] → [4, 8, 9, _]

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Answer: Row3[3]=14, Row3[1]=12, Row2[2]=31, Row4[4]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [60]
  • [29,31]
  • [12,17,14]
  • [4,8,9,5]
Base
  • 4
  • 8
  • 9
  • 5
TopValue
60
HiddenCells
  • {"r":2,"c":2,"v":14}
  • {"r":2,"c":0,"v":12}
  • {"r":1,"c":1,"v":31}
  • {"r":3,"c":3,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [27, _] → [10, 17, 12] → [_, 8, _, 3]

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Answer: Row1[1]=56, Row4[1]=2, Row2[2]=29, Row4[3]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [56]
  • [27,29]
  • [10,17,12]
  • [2,8,9,3]
Base
  • 2
  • 8
  • 9
  • 3
TopValue
56
HiddenCells
  • {"r":0,"c":0,"v":56}
  • {"r":3,"c":0,"v":2}
  • {"r":1,"c":1,"v":29}
  • {"r":3,"c":2,"v":9}