medium Set 73 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [54] → [25, _] → [10, _, 14] → [5, _, 10, _]

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Answer: Row2[2]=29, Row4[4]=4, Row4[2]=5, Row3[2]=15

SubType
number-pyramid
Difficulty
medium
Levels
  • [54]
  • [25,29]
  • [10,15,14]
  • [5,5,10,4]
Base
  • 5
  • 5
  • 10
  • 4
TopValue
54
HiddenCells
  • {"r":1,"c":1,"v":29}
  • {"r":3,"c":3,"v":4}
  • {"r":3,"c":1,"v":5}
  • {"r":2,"c":1,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [48] → [20, 28] → [_, _, 18] → [_, 1, _, 9]

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Answer: Row3[2]=10, Row3[1]=10, Row4[3]=9, Row4[1]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [48]
  • [20,28]
  • [10,10,18]
  • [9,1,9,9]
Base
  • 9
  • 1
  • 9
  • 9
TopValue
48
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":2,"c":0,"v":10}
  • {"r":3,"c":2,"v":9}
  • {"r":3,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [21, 20] → [_, _, 12] → [9, _, 4, 8]

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Answer: Row3[2]=8, Row4[2]=4, Row1[1]=41, Row3[1]=13

SubType
number-pyramid
Difficulty
medium
Levels
  • [41]
  • [21,20]
  • [13,8,12]
  • [9,4,4,8]
Base
  • 9
  • 4
  • 4
  • 8
TopValue
41
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"r":3,"c":1,"v":4}
  • {"r":0,"c":0,"v":41}
  • {"r":2,"c":0,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [20, _] → [_, 9, 13] → [6, _, 4, 9]

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Answer: Row2[2]=22, Row4[2]=5, Row1[1]=42, Row3[1]=11

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [20,22]
  • [11,9,13]
  • [6,5,4,9]
Base
  • 6
  • 5
  • 4
  • 9
TopValue
42
HiddenCells
  • {"r":1,"c":1,"v":22}
  • {"r":3,"c":1,"v":5}
  • {"r":0,"c":0,"v":42}
  • {"r":2,"c":0,"v":11}