medium Set 42 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [40] → [20, _] → [12, _, _] → [7, 5, 3, _]

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Answer: Row3[2]=8, Row2[2]=20, Row3[3]=12, Row4[4]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [40]
  • [20,20]
  • [12,8,12]
  • [7,5,3,9]
Base
  • 7
  • 5
  • 3
  • 9
TopValue
40
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"r":1,"c":1,"v":20}
  • {"r":2,"c":2,"v":12}
  • {"r":3,"c":3,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [54] → [25, _] → [12, 13, _] → [7, 5, _, _]

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Answer: Row4[3]=8, Row4[4]=8, Row2[2]=29, Row3[3]=16

SubType
number-pyramid
Difficulty
medium
Levels
  • [54]
  • [25,29]
  • [12,13,16]
  • [7,5,8,8]
Base
  • 7
  • 5
  • 8
  • 8
TopValue
54
HiddenCells
  • {"r":3,"c":2,"v":8}
  • {"r":3,"c":3,"v":8}
  • {"r":1,"c":1,"v":29}
  • {"r":2,"c":2,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [47] → [18, _] → [6, 12, _] → [_, _, 7, 10]

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Answer: Row2[2]=29, Row4[2]=5, Row4[1]=1, Row3[3]=17

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [18,29]
  • [6,12,17]
  • [1,5,7,10]
Base
  • 1
  • 5
  • 7
  • 10
TopValue
47
HiddenCells
  • {"r":1,"c":1,"v":29}
  • {"r":3,"c":1,"v":5}
  • {"r":3,"c":0,"v":1}
  • {"r":2,"c":2,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [47] → [22, _] → [_, _, 11] → [_, 5, 9, 2]

Show answer

Answer: Row2[2]=25, Row3[1]=8, Row3[2]=14, Row4[1]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [22,25]
  • [8,14,11]
  • [3,5,9,2]
Base
  • 3
  • 5
  • 9
  • 2
TopValue
47
HiddenCells
  • {"r":1,"c":1,"v":25}
  • {"r":2,"c":0,"v":8}
  • {"r":2,"c":1,"v":14}
  • {"r":3,"c":0,"v":3}