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): [_] → [_, 13] → [_, 6, 7] → [1, 2, _, 3]

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Answer: Row2[1]=9, Row1[1]=22, Row3[1]=3, Row4[3]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [22]
  • [9,13]
  • [3,6,7]
  • [1,2,4,3]
Base
  • 1
  • 2
  • 4
  • 3
TopValue
22
HiddenCells
  • {"r":1,"c":0,"v":9}
  • {"r":0,"c":0,"v":22}
  • {"r":2,"c":0,"v":3}
  • {"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): [49] → [_, _] → [_, 15, 10] → [_, 6, 9, 1]

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Answer: Row4[1]=3, Row3[1]=9, Row2[1]=24, Row2[2]=25

SubType
number-pyramid
Difficulty
medium
Levels
  • [49]
  • [24,25]
  • [9,15,10]
  • [3,6,9,1]
Base
  • 3
  • 6
  • 9
  • 1
TopValue
49
HiddenCells
  • {"r":3,"c":0,"v":3}
  • {"r":2,"c":0,"v":9}
  • {"r":1,"c":0,"v":24}
  • {"r":1,"c":1,"v":25}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [25, 15] → [16, _, 6] → [8, _, _, 5]

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Answer: Row3[2]=9, Row4[2]=8, Row1[1]=40, Row4[3]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [40]
  • [25,15]
  • [16,9,6]
  • [8,8,1,5]
Base
  • 8
  • 8
  • 1
  • 5
TopValue
40
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":3,"c":1,"v":8}
  • {"r":0,"c":0,"v":40}
  • {"r":3,"c":2,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [53] → [24, _] → [_, 13, 16] → [_, 4, 9, _]

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Answer: Row2[2]=29, Row4[1]=7, Row3[1]=11, Row4[4]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [24,29]
  • [11,13,16]
  • [7,4,9,7]
Base
  • 7
  • 4
  • 9
  • 7
TopValue
53
HiddenCells
  • {"r":1,"c":1,"v":29}
  • {"r":3,"c":0,"v":7}
  • {"r":2,"c":0,"v":11}
  • {"r":3,"c":3,"v":7}