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): [_] → [_, 20] → [7, 7, _] → [4, 3, _, 9]

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Answer: Row2[1]=14, Row1[1]=34, Row3[3]=13, Row4[3]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [34]
  • [14,20]
  • [7,7,13]
  • [4,3,4,9]
Base
  • 4
  • 3
  • 4
  • 9
TopValue
34
HiddenCells
  • {"r":1,"c":0,"v":14}
  • {"r":0,"c":0,"v":34}
  • {"r":2,"c":2,"v":13}
  • {"r":3,"c":2,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [34] → [_, 16] → [10, 8, 8] → [_, _, 2, _]

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Answer: Row4[4]=6, Row4[2]=6, Row4[1]=4, Row2[1]=18

SubType
number-pyramid
Difficulty
medium
Levels
  • [34]
  • [18,16]
  • [10,8,8]
  • [4,6,2,6]
Base
  • 4
  • 6
  • 2
  • 6
TopValue
34
HiddenCells
  • {"r":3,"c":3,"v":6}
  • {"r":3,"c":1,"v":6}
  • {"r":3,"c":0,"v":4}
  • {"r":1,"c":0,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [7, 13, 16] → [3, _, 9, 7]

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Answer: Row4[2]=4, Row2[1]=20, Row2[2]=29, Row1[1]=49

SubType
number-pyramid
Difficulty
medium
Levels
  • [49]
  • [20,29]
  • [7,13,16]
  • [3,4,9,7]
Base
  • 3
  • 4
  • 9
  • 7
TopValue
49
HiddenCells
  • {"r":3,"c":1,"v":4}
  • {"r":1,"c":0,"v":20}
  • {"r":1,"c":1,"v":29}
  • {"r":0,"c":0,"v":49}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [19, _] → [_, _, 12] → [4, 4, 7, 5]

Show answer

Answer: Row3[2]=11, Row1[1]=42, Row3[1]=8, Row2[2]=23

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [19,23]
  • [8,11,12]
  • [4,4,7,5]
Base
  • 4
  • 4
  • 7
  • 5
TopValue
42
HiddenCells
  • {"r":2,"c":1,"v":11}
  • {"r":0,"c":0,"v":42}
  • {"r":2,"c":0,"v":8}
  • {"r":1,"c":1,"v":23}