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): [38] → [18, 20] → [_, _, 9] → [1, 6, _, _]

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Answer: Row3[2]=11, Row3[1]=7, Row4[4]=4, Row4[3]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [18,20]
  • [7,11,9]
  • [1,6,5,4]
Base
  • 1
  • 6
  • 5
  • 4
TopValue
38
HiddenCells
  • {"r":2,"c":1,"v":11}
  • {"r":2,"c":0,"v":7}
  • {"r":3,"c":3,"v":4}
  • {"r":3,"c":2,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [48] → [24, _] → [12, _, _] → [_, 9, 3, 9]

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Answer: Row4[1]=3, Row3[2]=12, Row3[3]=12, Row2[2]=24

SubType
number-pyramid
Difficulty
medium
Levels
  • [48]
  • [24,24]
  • [12,12,12]
  • [3,9,3,9]
Base
  • 3
  • 9
  • 3
  • 9
TopValue
48
HiddenCells
  • {"r":3,"c":0,"v":3}
  • {"r":2,"c":1,"v":12}
  • {"r":2,"c":2,"v":12}
  • {"r":1,"c":1,"v":24}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [62] → [34, _] → [_, 17, 11] → [_, _, 10, 1]

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Answer: Row3[1]=17, Row4[1]=10, Row4[2]=7, Row2[2]=28

SubType
number-pyramid
Difficulty
medium
Levels
  • [62]
  • [34,28]
  • [17,17,11]
  • [10,7,10,1]
Base
  • 10
  • 7
  • 10
  • 1
TopValue
62
HiddenCells
  • {"r":2,"c":0,"v":17}
  • {"r":3,"c":0,"v":10}
  • {"r":3,"c":1,"v":7}
  • {"r":1,"c":1,"v":28}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 12] → [13, 7, 5] → [10, 3, _, _]

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Answer: Row1[1]=32, Row4[4]=1, Row2[1]=20, Row4[3]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [32]
  • [20,12]
  • [13,7,5]
  • [10,3,4,1]
Base
  • 10
  • 3
  • 4
  • 1
TopValue
32
HiddenCells
  • {"r":0,"c":0,"v":32}
  • {"r":3,"c":3,"v":1}
  • {"r":1,"c":0,"v":20}
  • {"r":3,"c":2,"v":4}