medium Set 30 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [13] → [7, _] → [4, 3, _] → [_, 1, 2, _]

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

SubType
number-pyramid
Difficulty
medium
Levels
  • [13]
  • [7,6]
  • [4,3,3]
  • [3,1,2,1]
Base
  • 3
  • 1
  • 2
  • 1
TopValue
13
HiddenCells
  • {"r":3,"c":0,"v":3}
  • {"r":2,"c":2,"v":3}
  • {"r":3,"c":3,"v":1}
  • {"r":1,"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): [_] → [_, 11] → [8, 4, 7] → [_, 2, _, 5]

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Answer: Row4[1]=6, Row1[1]=23, Row2[1]=12, Row4[3]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [23]
  • [12,11]
  • [8,4,7]
  • [6,2,2,5]
Base
  • 6
  • 2
  • 2
  • 5
TopValue
23
HiddenCells
  • {"r":3,"c":0,"v":6}
  • {"r":0,"c":0,"v":23}
  • {"r":1,"c":0,"v":12}
  • {"r":3,"c":2,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [36, 33] → [17, 19, _] → [_, 10, 9, _]

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Answer: Row3[3]=14, Row4[1]=7, Row4[4]=5, Row1[1]=69

SubType
number-pyramid
Difficulty
medium
Levels
  • [69]
  • [36,33]
  • [17,19,14]
  • [7,10,9,5]
Base
  • 7
  • 10
  • 9
  • 5
TopValue
69
HiddenCells
  • {"r":2,"c":2,"v":14}
  • {"r":3,"c":0,"v":7}
  • {"r":3,"c":3,"v":5}
  • {"r":0,"c":0,"v":69}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [38] → [_, 26] → [3, _, 17] → [_, _, 8, 9]

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

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [12,26]
  • [3,9,17]
  • [2,1,8,9]
Base
  • 2
  • 1
  • 8
  • 9
TopValue
38
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":3,"c":0,"v":2}
  • {"r":3,"c":1,"v":1}
  • {"r":1,"c":0,"v":12}