medium Set 89 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 29] → [11, 13, 16] → [6, _, _, 8]

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Answer: Row4[2]=5, Row1[1]=53, Row2[1]=24, Row4[3]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [24,29]
  • [11,13,16]
  • [6,5,8,8]
Base
  • 6
  • 5
  • 8
  • 8
TopValue
53
HiddenCells
  • {"r":3,"c":1,"v":5}
  • {"r":0,"c":0,"v":53}
  • {"r":1,"c":0,"v":24}
  • {"r":3,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [67] → [31, _] → [15, _, 20] → [_, 6, 10, _]

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Answer: Row3[2]=16, Row2[2]=36, Row4[1]=9, Row4[4]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [67]
  • [31,36]
  • [15,16,20]
  • [9,6,10,10]
Base
  • 9
  • 6
  • 10
  • 10
TopValue
67
HiddenCells
  • {"r":2,"c":1,"v":16}
  • {"r":1,"c":1,"v":36}
  • {"r":3,"c":0,"v":9}
  • {"r":3,"c":3,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [18, 22] → [6, 12, 10] → [_, _, 9, _]

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Answer: Row4[4]=1, Row4[2]=3, Row4[1]=3, Row1[1]=40

SubType
number-pyramid
Difficulty
medium
Levels
  • [40]
  • [18,22]
  • [6,12,10]
  • [3,3,9,1]
Base
  • 3
  • 3
  • 9
  • 1
TopValue
40
HiddenCells
  • {"r":3,"c":3,"v":1}
  • {"r":3,"c":1,"v":3}
  • {"r":3,"c":0,"v":3}
  • {"r":0,"c":0,"v":40}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [55] → [_, 24] → [_, _, 10] → [7, 10, 4, _]

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Answer: Row2[1]=31, Row3[2]=14, Row3[1]=17, Row4[4]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [55]
  • [31,24]
  • [17,14,10]
  • [7,10,4,6]
Base
  • 7
  • 10
  • 4
  • 6
TopValue
55
HiddenCells
  • {"r":1,"c":0,"v":31}
  • {"r":2,"c":1,"v":14}
  • {"r":2,"c":0,"v":17}
  • {"r":3,"c":3,"v":6}