medium Set 19 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [15, _] → [8, 7, _] → [_, _, 5, 3]

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Answer: Row4[1]=6, Row4[2]=2, Row2[2]=15, Row3[3]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [30]
  • [15,15]
  • [8,7,8]
  • [6,2,5,3]
Base
  • 6
  • 2
  • 5
  • 3
TopValue
30
HiddenCells
  • {"r":3,"c":0,"v":6}
  • {"r":3,"c":1,"v":2}
  • {"r":1,"c":1,"v":15}
  • {"r":2,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 8] → [5, 4, 4] → [_, _, 3, 1]

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Answer: Row4[2]=1, Row2[1]=9, Row1[1]=17, Row4[1]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [17]
  • [9,8]
  • [5,4,4]
  • [4,1,3,1]
Base
  • 4
  • 1
  • 3
  • 1
TopValue
17
HiddenCells
  • {"r":3,"c":1,"v":1}
  • {"r":1,"c":0,"v":9}
  • {"r":0,"c":0,"v":17}
  • {"r":3,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [25, 26] → [12, _, _] → [2, 10, _, 10]

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Answer: Row1[1]=51, Row3[2]=13, Row3[3]=13, Row4[3]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [51]
  • [25,26]
  • [12,13,13]
  • [2,10,3,10]
Base
  • 2
  • 10
  • 3
  • 10
TopValue
51
HiddenCells
  • {"r":0,"c":0,"v":51}
  • {"r":2,"c":1,"v":13}
  • {"r":2,"c":2,"v":13}
  • {"r":3,"c":2,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [_, _] → [10, 4, 10] → [_, 3, _, 9]

Show answer

Answer: Row4[3]=1, Row4[1]=7, Row2[1]=14, Row2[2]=14

SubType
number-pyramid
Difficulty
medium
Levels
  • [28]
  • [14,14]
  • [10,4,10]
  • [7,3,1,9]
Base
  • 7
  • 3
  • 1
  • 9
TopValue
28
HiddenCells
  • {"r":3,"c":2,"v":1}
  • {"r":3,"c":0,"v":7}
  • {"r":1,"c":0,"v":14}
  • {"r":1,"c":1,"v":14}