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): [28] → [_, 12] → [_, 8, _] → [1, 7, _, 3]

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Answer: Row2[1]=16, Row3[3]=4, Row3[1]=8, Row4[3]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [28]
  • [16,12]
  • [8,8,4]
  • [1,7,1,3]
Base
  • 1
  • 7
  • 1
  • 3
TopValue
28
HiddenCells
  • {"r":1,"c":0,"v":16}
  • {"r":2,"c":2,"v":4}
  • {"r":2,"c":0,"v":8}
  • {"r":3,"c":2,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [66] → [30, _] → [13, 17, _] → [_, _, 10, 9]

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Answer: Row2[2]=36, Row4[1]=6, Row3[3]=19, Row4[2]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [66]
  • [30,36]
  • [13,17,19]
  • [6,7,10,9]
Base
  • 6
  • 7
  • 10
  • 9
TopValue
66
HiddenCells
  • {"r":1,"c":1,"v":36}
  • {"r":3,"c":0,"v":6}
  • {"r":2,"c":2,"v":19}
  • {"r":3,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [10, 12] → [6, _, 8] → [_, 3, _, _]

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

SubType
number-pyramid
Difficulty
medium
Levels
  • [22]
  • [10,12]
  • [6,4,8]
  • [3,3,1,7]
Base
  • 3
  • 3
  • 1
  • 7
TopValue
22
HiddenCells
  • {"r":3,"c":3,"v":7}
  • {"r":2,"c":1,"v":4}
  • {"r":3,"c":2,"v":1}
  • {"r":3,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [30, 21] → [_, _, 10] → [10, 9, 2, _]

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Answer: Row3[2]=11, Row4[4]=8, Row3[1]=19, Row1[1]=51

SubType
number-pyramid
Difficulty
medium
Levels
  • [51]
  • [30,21]
  • [19,11,10]
  • [10,9,2,8]
Base
  • 10
  • 9
  • 2
  • 8
TopValue
51
HiddenCells
  • {"r":2,"c":1,"v":11}
  • {"r":3,"c":3,"v":8}
  • {"r":2,"c":0,"v":19}
  • {"r":0,"c":0,"v":51}