medium Set 98 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [11, _] → [_, _, 5] → [_, 1, 4, 1]

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Answer: Row4[1]=5, Row3[1]=6, Row2[2]=10, Row3[2]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [21]
  • [11,10]
  • [6,5,5]
  • [5,1,4,1]
Base
  • 5
  • 1
  • 4
  • 1
TopValue
21
HiddenCells
  • {"r":3,"c":0,"v":5}
  • {"r":2,"c":0,"v":6}
  • {"r":1,"c":1,"v":10}
  • {"r":2,"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): [26] → [16, _] → [11, _, 5] → [10, _, _, 1]

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Answer: Row4[3]=4, Row4[2]=1, Row2[2]=10, Row3[2]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [26]
  • [16,10]
  • [11,5,5]
  • [10,1,4,1]
Base
  • 10
  • 1
  • 4
  • 1
TopValue
26
HiddenCells
  • {"r":3,"c":2,"v":4}
  • {"r":3,"c":1,"v":1}
  • {"r":1,"c":1,"v":10}
  • {"r":2,"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): [47] → [_, 22] → [_, 14, 8] → [_, 7, 7, _]

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Answer: Row3[1]=11, Row4[4]=1, Row2[1]=25, Row4[1]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [25,22]
  • [11,14,8]
  • [4,7,7,1]
Base
  • 4
  • 7
  • 7
  • 1
TopValue
47
HiddenCells
  • {"r":2,"c":0,"v":11}
  • {"r":3,"c":3,"v":1}
  • {"r":1,"c":0,"v":25}
  • {"r":3,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [41] → [_, 21] → [_, _, 9] → [_, 7, 5, 4]

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Answer: Row2[1]=20, Row3[1]=8, Row4[1]=1, Row3[2]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [41]
  • [20,21]
  • [8,12,9]
  • [1,7,5,4]
Base
  • 1
  • 7
  • 5
  • 4
TopValue
41
HiddenCells
  • {"r":1,"c":0,"v":20}
  • {"r":2,"c":0,"v":8}
  • {"r":3,"c":0,"v":1}
  • {"r":2,"c":1,"v":12}