medium Set 78 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [7, 12] → [2, _, 7] → [_, 1, _, 3]

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Answer: Row1[1]=19, Row4[1]=1, Row4[3]=4, Row3[2]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [19]
  • [7,12]
  • [2,5,7]
  • [1,1,4,3]
Base
  • 1
  • 1
  • 4
  • 3
TopValue
19
HiddenCells
  • {"r":0,"c":0,"v":19}
  • {"r":3,"c":0,"v":1}
  • {"r":3,"c":2,"v":4}
  • {"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): [22] → [10, 12] → [_, 4, 8] → [5, _, _, _]

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Answer: Row4[3]=3, Row4[2]=1, Row3[1]=6, Row4[4]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [22]
  • [10,12]
  • [6,4,8]
  • [5,1,3,5]
Base
  • 5
  • 1
  • 3
  • 5
TopValue
22
HiddenCells
  • {"r":3,"c":2,"v":3}
  • {"r":3,"c":1,"v":1}
  • {"r":2,"c":0,"v":6}
  • {"r":3,"c":3,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [66] → [34, _] → [16, _, _] → [7, 9, _, 5]

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Answer: Row2[2]=32, Row3[3]=14, Row4[3]=9, Row3[2]=18

SubType
number-pyramid
Difficulty
medium
Levels
  • [66]
  • [34,32]
  • [16,18,14]
  • [7,9,9,5]
Base
  • 7
  • 9
  • 9
  • 5
TopValue
66
HiddenCells
  • {"r":1,"c":1,"v":32}
  • {"r":2,"c":2,"v":14}
  • {"r":3,"c":2,"v":9}
  • {"r":2,"c":1,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [5, 12, 18] → [1, 4, 8, _]

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Answer: Row1[1]=47, Row2[1]=17, Row4[4]=10, Row2[2]=30

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [17,30]
  • [5,12,18]
  • [1,4,8,10]
Base
  • 1
  • 4
  • 8
  • 10
TopValue
47
HiddenCells
  • {"r":0,"c":0,"v":47}
  • {"r":1,"c":0,"v":17}
  • {"r":3,"c":3,"v":10}
  • {"r":1,"c":1,"v":30}