medium Set 85 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [_, _] → [5, _, 14] → [3, 2, _, 10]

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Answer: Row4[3]=4, Row2[2]=20, Row2[1]=11, Row3[2]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [31]
  • [11,20]
  • [5,6,14]
  • [3,2,4,10]
Base
  • 3
  • 2
  • 4
  • 10
TopValue
31
HiddenCells
  • {"r":3,"c":2,"v":4}
  • {"r":1,"c":1,"v":20}
  • {"r":1,"c":0,"v":11}
  • {"r":2,"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): [42] → [_, 21] → [_, 9, 12] → [_, _, 6, 6]

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Answer: Row3[1]=12, Row4[2]=3, Row4[1]=9, Row2[1]=21

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [21,21]
  • [12,9,12]
  • [9,3,6,6]
Base
  • 9
  • 3
  • 6
  • 6
TopValue
42
HiddenCells
  • {"r":2,"c":0,"v":12}
  • {"r":3,"c":1,"v":3}
  • {"r":3,"c":0,"v":9}
  • {"r":1,"c":0,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [22, 30] → [_, 14, _] → [2, _, 8, 8]

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Answer: Row3[3]=16, Row3[1]=8, Row4[2]=6, Row1[1]=52

SubType
number-pyramid
Difficulty
medium
Levels
  • [52]
  • [22,30]
  • [8,14,16]
  • [2,6,8,8]
Base
  • 2
  • 6
  • 8
  • 8
TopValue
52
HiddenCells
  • {"r":2,"c":2,"v":16}
  • {"r":2,"c":0,"v":8}
  • {"r":3,"c":1,"v":6}
  • {"r":0,"c":0,"v":52}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 19] → [_, 13, 6] → [10, 8, _, 1]

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Answer: Row2[1]=31, Row3[1]=18, Row1[1]=50, Row4[3]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [50]
  • [31,19]
  • [18,13,6]
  • [10,8,5,1]
Base
  • 10
  • 8
  • 5
  • 1
TopValue
50
HiddenCells
  • {"r":1,"c":0,"v":31}
  • {"r":2,"c":0,"v":18}
  • {"r":0,"c":0,"v":50}
  • {"r":3,"c":2,"v":5}