medium Set 81 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 14] → [_, 8, 6] → [2, _, 4, 2]

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Answer: Row2[1]=14, Row3[1]=6, Row4[2]=4, Row1[1]=28

SubType
number-pyramid
Difficulty
medium
Levels
  • [28]
  • [14,14]
  • [6,8,6]
  • [2,4,4,2]
Base
  • 2
  • 4
  • 4
  • 2
TopValue
28
HiddenCells
  • {"r":1,"c":0,"v":14}
  • {"r":2,"c":0,"v":6}
  • {"r":3,"c":1,"v":4}
  • {"r":0,"c":0,"v":28}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 21] → [10, 11, _] → [1, 9, 2, _]

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Answer: Row4[4]=8, Row2[1]=21, Row1[1]=42, Row3[3]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [21,21]
  • [10,11,10]
  • [1,9,2,8]
Base
  • 1
  • 9
  • 2
  • 8
TopValue
42
HiddenCells
  • {"r":3,"c":3,"v":8}
  • {"r":1,"c":0,"v":21}
  • {"r":0,"c":0,"v":42}
  • {"r":2,"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): [_] → [_, 24] → [13, 13, _] → [_, 5, 8, 3]

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Answer: Row4[1]=8, Row1[1]=50, Row2[1]=26, Row3[3]=11

SubType
number-pyramid
Difficulty
medium
Levels
  • [50]
  • [26,24]
  • [13,13,11]
  • [8,5,8,3]
Base
  • 8
  • 5
  • 8
  • 3
TopValue
50
HiddenCells
  • {"r":3,"c":0,"v":8}
  • {"r":0,"c":0,"v":50}
  • {"r":1,"c":0,"v":26}
  • {"r":2,"c":2,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [41] → [_, 19] → [11, 11, 8] → [_, 5, _, _]

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Answer: Row4[1]=6, Row2[1]=22, Row4[3]=6, Row4[4]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [41]
  • [22,19]
  • [11,11,8]
  • [6,5,6,2]
Base
  • 6
  • 5
  • 6
  • 2
TopValue
41
HiddenCells
  • {"r":3,"c":0,"v":6}
  • {"r":1,"c":0,"v":22}
  • {"r":3,"c":2,"v":6}
  • {"r":3,"c":3,"v":2}