medium Set 31 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [47] → [25, _] → [14, _, _] → [9, _, 6, 5]

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Answer: Row3[3]=11, Row2[2]=22, Row4[2]=5, Row3[2]=11

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [25,22]
  • [14,11,11]
  • [9,5,6,5]
Base
  • 9
  • 5
  • 6
  • 5
TopValue
47
HiddenCells
  • {"r":2,"c":2,"v":11}
  • {"r":1,"c":1,"v":22}
  • {"r":3,"c":1,"v":5}
  • {"r":2,"c":1,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [41] → [18, 23] → [7, _, _] → [_, 6, _, 7]

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Answer: Row4[3]=5, Row3[2]=11, Row3[3]=12, Row4[1]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [41]
  • [18,23]
  • [7,11,12]
  • [1,6,5,7]
Base
  • 1
  • 6
  • 5
  • 7
TopValue
41
HiddenCells
  • {"r":3,"c":2,"v":5}
  • {"r":2,"c":1,"v":11}
  • {"r":2,"c":2,"v":12}
  • {"r":3,"c":0,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [11, 17, 12] → [4, 7, _, 2]

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Answer: Row1[1]=57, Row2[2]=29, Row2[1]=28, Row4[3]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [57]
  • [28,29]
  • [11,17,12]
  • [4,7,10,2]
Base
  • 4
  • 7
  • 10
  • 2
TopValue
57
HiddenCells
  • {"r":0,"c":0,"v":57}
  • {"r":1,"c":1,"v":29}
  • {"r":1,"c":0,"v":28}
  • {"r":3,"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): [30] → [18, 12] → [_, _, 4] → [_, _, 3, 1]

Show answer

Answer: Row3[1]=10, Row3[2]=8, Row4[1]=5, Row4[2]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [30]
  • [18,12]
  • [10,8,4]
  • [5,5,3,1]
Base
  • 5
  • 5
  • 3
  • 1
TopValue
30
HiddenCells
  • {"r":2,"c":0,"v":10}
  • {"r":2,"c":1,"v":8}
  • {"r":3,"c":0,"v":5}
  • {"r":3,"c":1,"v":5}