medium Set 68 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [26, _] → [10, 16, _] → [_, 7, 9, 4]

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Answer: Row4[1]=3, Row2[2]=29, Row1[1]=55, Row3[3]=13

SubType
number-pyramid
Difficulty
medium
Levels
  • [55]
  • [26,29]
  • [10,16,13]
  • [3,7,9,4]
Base
  • 3
  • 7
  • 9
  • 4
TopValue
55
HiddenCells
  • {"r":3,"c":0,"v":3}
  • {"r":1,"c":1,"v":29}
  • {"r":0,"c":0,"v":55}
  • {"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): [46] → [22, _] → [8, _, _] → [3, 5, 9, _]

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Answer: Row4[4]=1, Row3[3]=10, Row3[2]=14, Row2[2]=24

SubType
number-pyramid
Difficulty
medium
Levels
  • [46]
  • [22,24]
  • [8,14,10]
  • [3,5,9,1]
Base
  • 3
  • 5
  • 9
  • 1
TopValue
46
HiddenCells
  • {"r":3,"c":3,"v":1}
  • {"r":2,"c":2,"v":10}
  • {"r":2,"c":1,"v":14}
  • {"r":1,"c":1,"v":24}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [38] → [22, 16] → [_, 8, _] → [_, 5, _, 5]

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Answer: Row3[1]=14, Row3[3]=8, Row4[3]=3, Row4[1]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [22,16]
  • [14,8,8]
  • [9,5,3,5]
Base
  • 9
  • 5
  • 3
  • 5
TopValue
38
HiddenCells
  • {"r":2,"c":0,"v":14}
  • {"r":2,"c":2,"v":8}
  • {"r":3,"c":2,"v":3}
  • {"r":3,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [11, 12, 9] → [4, _, 5, 4]

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Answer: Row2[2]=21, Row4[2]=7, Row2[1]=23, Row1[1]=44

SubType
number-pyramid
Difficulty
medium
Levels
  • [44]
  • [23,21]
  • [11,12,9]
  • [4,7,5,4]
Base
  • 4
  • 7
  • 5
  • 4
TopValue
44
HiddenCells
  • {"r":1,"c":1,"v":21}
  • {"r":3,"c":1,"v":7}
  • {"r":1,"c":0,"v":23}
  • {"r":0,"c":0,"v":44}