medium Set 87 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [51] → [26, _] → [10, _, 9] → [2, _, 8, _]

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Answer: Row2[2]=25, Row4[2]=8, Row3[2]=16, Row4[4]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [51]
  • [26,25]
  • [10,16,9]
  • [2,8,8,1]
Base
  • 2
  • 8
  • 8
  • 1
TopValue
51
HiddenCells
  • {"r":1,"c":1,"v":25}
  • {"r":3,"c":1,"v":8}
  • {"r":2,"c":1,"v":16}
  • {"r":3,"c":3,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [40] → [_, _] → [7, _, _] → [2, 5, 7, 2]

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Answer: Row2[2]=21, Row3[3]=9, Row3[2]=12, Row2[1]=19

SubType
number-pyramid
Difficulty
medium
Levels
  • [40]
  • [19,21]
  • [7,12,9]
  • [2,5,7,2]
Base
  • 2
  • 5
  • 7
  • 2
TopValue
40
HiddenCells
  • {"r":1,"c":1,"v":21}
  • {"r":2,"c":2,"v":9}
  • {"r":2,"c":1,"v":12}
  • {"r":1,"c":0,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [32] → [14, _] → [5, 9, _] → [2, _, _, 3]

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Answer: Row4[2]=3, Row4[3]=6, Row2[2]=18, Row3[3]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [32]
  • [14,18]
  • [5,9,9]
  • [2,3,6,3]
Base
  • 2
  • 3
  • 6
  • 3
TopValue
32
HiddenCells
  • {"r":3,"c":1,"v":3}
  • {"r":3,"c":2,"v":6}
  • {"r":1,"c":1,"v":18}
  • {"r":2,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [58] → [30, _] → [_, 18, 10] → [_, 9, 9, _]

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Answer: Row4[4]=1, Row3[1]=12, Row2[2]=28, Row4[1]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [58]
  • [30,28]
  • [12,18,10]
  • [3,9,9,1]
Base
  • 3
  • 9
  • 9
  • 1
TopValue
58
HiddenCells
  • {"r":3,"c":3,"v":1}
  • {"r":2,"c":0,"v":12}
  • {"r":1,"c":1,"v":28}
  • {"r":3,"c":0,"v":3}