medium Set 43 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [55] → [25, 30] → [_, 13, _] → [9, _, _, 7]

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Answer: Row3[3]=17, Row3[1]=12, Row4[2]=3, Row4[3]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [55]
  • [25,30]
  • [12,13,17]
  • [9,3,10,7]
Base
  • 9
  • 3
  • 10
  • 7
TopValue
55
HiddenCells
  • {"r":2,"c":2,"v":17}
  • {"r":2,"c":0,"v":12}
  • {"r":3,"c":1,"v":3}
  • {"r":3,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [34] → [_, _] → [10, 6, _] → [_, 3, 3, 9]

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Answer: Row2[2]=18, Row2[1]=16, Row4[1]=7, Row3[3]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [34]
  • [16,18]
  • [10,6,12]
  • [7,3,3,9]
Base
  • 7
  • 3
  • 3
  • 9
TopValue
34
HiddenCells
  • {"r":1,"c":1,"v":18}
  • {"r":1,"c":0,"v":16}
  • {"r":3,"c":0,"v":7}
  • {"r":2,"c":2,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [20, _] → [10, 10, 3] → [1, _, _, 2]

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Answer: Row2[2]=13, Row4[3]=1, Row1[1]=33, Row4[2]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [33]
  • [20,13]
  • [10,10,3]
  • [1,9,1,2]
Base
  • 1
  • 9
  • 1
  • 2
TopValue
33
HiddenCells
  • {"r":1,"c":1,"v":13}
  • {"r":3,"c":2,"v":1}
  • {"r":0,"c":0,"v":33}
  • {"r":3,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 23] → [17, 11, 12] → [8, 9, _, _]

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Answer: Row4[4]=10, Row2[1]=28, Row4[3]=2, Row1[1]=51

SubType
number-pyramid
Difficulty
medium
Levels
  • [51]
  • [28,23]
  • [17,11,12]
  • [8,9,2,10]
Base
  • 8
  • 9
  • 2
  • 10
TopValue
51
HiddenCells
  • {"r":3,"c":3,"v":10}
  • {"r":1,"c":0,"v":28}
  • {"r":3,"c":2,"v":2}
  • {"r":0,"c":0,"v":51}