medium Set 34 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [13, _] → [10, 3, 5] → [_, 2, _, _]

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Answer: Row4[3]=1, Row4[4]=4, Row4[1]=8, Row2[2]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [21]
  • [13,8]
  • [10,3,5]
  • [8,2,1,4]
Base
  • 8
  • 2
  • 1
  • 4
TopValue
21
HiddenCells
  • {"r":3,"c":2,"v":1}
  • {"r":3,"c":3,"v":4}
  • {"r":3,"c":0,"v":8}
  • {"r":1,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [_, 9] → [_, 6, 3] → [_, 5, 1, _]

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Answer: Row4[1]=8, Row2[1]=19, Row3[1]=13, Row4[4]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [28]
  • [19,9]
  • [13,6,3]
  • [8,5,1,2]
Base
  • 8
  • 5
  • 1
  • 2
TopValue
28
HiddenCells
  • {"r":3,"c":0,"v":8}
  • {"r":1,"c":0,"v":19}
  • {"r":2,"c":0,"v":13}
  • {"r":3,"c":3,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [53] → [26, _] → [13, _, 14] → [5, _, _, 9]

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Answer: Row3[2]=13, Row2[2]=27, Row4[2]=8, Row4[3]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [26,27]
  • [13,13,14]
  • [5,8,5,9]
Base
  • 5
  • 8
  • 5
  • 9
TopValue
53
HiddenCells
  • {"r":2,"c":1,"v":13}
  • {"r":1,"c":1,"v":27}
  • {"r":3,"c":1,"v":8}
  • {"r":3,"c":2,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [12, 17, _] → [3, 9, 8, 3]

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Answer: Row2[2]=28, Row3[3]=11, Row2[1]=29, Row1[1]=57

SubType
number-pyramid
Difficulty
medium
Levels
  • [57]
  • [29,28]
  • [12,17,11]
  • [3,9,8,3]
Base
  • 3
  • 9
  • 8
  • 3
TopValue
57
HiddenCells
  • {"r":1,"c":1,"v":28}
  • {"r":2,"c":2,"v":11}
  • {"r":1,"c":0,"v":29}
  • {"r":0,"c":0,"v":57}