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): [40] → [26, 14] → [_, _, _] → [9, 8, 1, _]

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Answer: Row4[4]=4, Row3[2]=9, Row3[3]=5, Row3[1]=17

SubType
number-pyramid
Difficulty
medium
Levels
  • [40]
  • [26,14]
  • [17,9,5]
  • [9,8,1,4]
Base
  • 9
  • 8
  • 1
  • 4
TopValue
40
HiddenCells
  • {"r":3,"c":3,"v":4}
  • {"r":2,"c":1,"v":9}
  • {"r":2,"c":2,"v":5}
  • {"r":2,"c":0,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [17, 28] → [5, _, 16] → [1, _, 8, _]

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Answer: Row4[2]=4, Row1[1]=45, Row3[2]=12, Row4[4]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [45]
  • [17,28]
  • [5,12,16]
  • [1,4,8,8]
Base
  • 1
  • 4
  • 8
  • 8
TopValue
45
HiddenCells
  • {"r":3,"c":1,"v":4}
  • {"r":0,"c":0,"v":45}
  • {"r":2,"c":1,"v":12}
  • {"r":3,"c":3,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [56] → [_, _] → [_, 16, 9] → [5, 10, _, 3]

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Answer: Row2[2]=25, Row3[1]=15, Row4[3]=6, Row2[1]=31

SubType
number-pyramid
Difficulty
medium
Levels
  • [56]
  • [31,25]
  • [15,16,9]
  • [5,10,6,3]
Base
  • 5
  • 10
  • 6
  • 3
TopValue
56
HiddenCells
  • {"r":1,"c":1,"v":25}
  • {"r":2,"c":0,"v":15}
  • {"r":3,"c":2,"v":6}
  • {"r":1,"c":0,"v":31}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [52] → [_, 22] → [_, _, 9] → [10, 7, 6, _]

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Answer: Row4[4]=3, Row3[1]=17, Row2[1]=30, Row3[2]=13

SubType
number-pyramid
Difficulty
medium
Levels
  • [52]
  • [30,22]
  • [17,13,9]
  • [10,7,6,3]
Base
  • 10
  • 7
  • 6
  • 3
TopValue
52
HiddenCells
  • {"r":3,"c":3,"v":3}
  • {"r":2,"c":0,"v":17}
  • {"r":1,"c":0,"v":30}
  • {"r":2,"c":1,"v":13}