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): [_] → [18, _] → [_, 12, 10] → [1, 5, 7, _]

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Answer: Row4[4]=3, Row2[2]=22, Row3[1]=6, Row1[1]=40

SubType
number-pyramid
Difficulty
medium
Levels
  • [40]
  • [18,22]
  • [6,12,10]
  • [1,5,7,3]
Base
  • 1
  • 5
  • 7
  • 3
TopValue
40
HiddenCells
  • {"r":3,"c":3,"v":3}
  • {"r":1,"c":1,"v":22}
  • {"r":2,"c":0,"v":6}
  • {"r":0,"c":0,"v":40}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [12, 11] → [_, _, _] → [_, 2, 1, 7]

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Answer: Row3[1]=9, Row3[3]=8, Row3[2]=3, Row4[1]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [23]
  • [12,11]
  • [9,3,8]
  • [7,2,1,7]
Base
  • 7
  • 2
  • 1
  • 7
TopValue
23
HiddenCells
  • {"r":2,"c":0,"v":9}
  • {"r":2,"c":2,"v":8}
  • {"r":2,"c":1,"v":3}
  • {"r":3,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [14, _] → [6, 8, _] → [_, 4, 4, _]

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Answer: Row4[1]=2, Row3[3]=5, Row4[4]=1, Row2[2]=13

SubType
number-pyramid
Difficulty
medium
Levels
  • [27]
  • [14,13]
  • [6,8,5]
  • [2,4,4,1]
Base
  • 2
  • 4
  • 4
  • 1
TopValue
27
HiddenCells
  • {"r":3,"c":0,"v":2}
  • {"r":2,"c":2,"v":5}
  • {"r":3,"c":3,"v":1}
  • {"r":1,"c":1,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 38] → [_, 20, 18] → [2, 10, 10, _]

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Answer: Row3[1]=12, Row4[4]=8, Row2[1]=32, Row1[1]=70

SubType
number-pyramid
Difficulty
medium
Levels
  • [70]
  • [32,38]
  • [12,20,18]
  • [2,10,10,8]
Base
  • 2
  • 10
  • 10
  • 8
TopValue
70
HiddenCells
  • {"r":2,"c":0,"v":12}
  • {"r":3,"c":3,"v":8}
  • {"r":1,"c":0,"v":32}
  • {"r":0,"c":0,"v":70}