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): [_] → [_, 23] → [_, 13, 10] → [2, 4, 9, _]

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Answer: Row3[1]=6, Row2[1]=19, Row1[1]=42, Row4[4]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [19,23]
  • [6,13,10]
  • [2,4,9,1]
Base
  • 2
  • 4
  • 9
  • 1
TopValue
42
HiddenCells
  • {"r":2,"c":0,"v":6}
  • {"r":1,"c":0,"v":19}
  • {"r":0,"c":0,"v":42}
  • {"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): [44] → [_, 23] → [12, 9, 14] → [_, _, 4, _]

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Answer: Row4[4]=10, Row2[1]=21, Row4[1]=7, Row4[2]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [44]
  • [21,23]
  • [12,9,14]
  • [7,5,4,10]
Base
  • 7
  • 5
  • 4
  • 10
TopValue
44
HiddenCells
  • {"r":3,"c":3,"v":10}
  • {"r":1,"c":0,"v":21}
  • {"r":3,"c":0,"v":7}
  • {"r":3,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [41] → [_, 18] → [14, _, 9] → [6, _, 1, _]

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Answer: Row2[1]=23, Row3[2]=9, Row4[4]=8, Row4[2]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [41]
  • [23,18]
  • [14,9,9]
  • [6,8,1,8]
Base
  • 6
  • 8
  • 1
  • 8
TopValue
41
HiddenCells
  • {"r":1,"c":0,"v":23}
  • {"r":2,"c":1,"v":9}
  • {"r":3,"c":3,"v":8}
  • {"r":3,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [32, _] → [19, 13, 5] → [_, 10, 3, _]

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Answer: Row4[4]=2, Row1[1]=50, Row4[1]=9, Row2[2]=18

SubType
number-pyramid
Difficulty
medium
Levels
  • [50]
  • [32,18]
  • [19,13,5]
  • [9,10,3,2]
Base
  • 9
  • 10
  • 3
  • 2
TopValue
50
HiddenCells
  • {"r":3,"c":3,"v":2}
  • {"r":0,"c":0,"v":50}
  • {"r":3,"c":0,"v":9}
  • {"r":1,"c":1,"v":18}