medium Set 52 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [9, 11, 11] → [6, 3, 8, _]

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Answer: Row4[4]=3, Row1[1]=42, Row2[2]=22, Row2[1]=20

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [20,22]
  • [9,11,11]
  • [6,3,8,3]
Base
  • 6
  • 3
  • 8
  • 3
TopValue
42
HiddenCells
  • {"r":3,"c":3,"v":3}
  • {"r":0,"c":0,"v":42}
  • {"r":1,"c":1,"v":22}
  • {"r":1,"c":0,"v":20}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [46] → [_, 18] → [15, 13, 5] → [_, _, _, 1]

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Answer: Row2[1]=28, Row4[1]=6, Row4[2]=9, Row4[3]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [46]
  • [28,18]
  • [15,13,5]
  • [6,9,4,1]
Base
  • 6
  • 9
  • 4
  • 1
TopValue
46
HiddenCells
  • {"r":1,"c":0,"v":28}
  • {"r":3,"c":0,"v":6}
  • {"r":3,"c":1,"v":9}
  • {"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): [_] → [20, 19] → [11, _, 10] → [8, _, 6, _]

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Answer: Row3[2]=9, Row4[2]=3, Row4[4]=4, Row1[1]=39

SubType
number-pyramid
Difficulty
medium
Levels
  • [39]
  • [20,19]
  • [11,9,10]
  • [8,3,6,4]
Base
  • 8
  • 3
  • 6
  • 4
TopValue
39
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":3,"c":1,"v":3}
  • {"r":3,"c":3,"v":4}
  • {"r":0,"c":0,"v":39}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 7] → [8, _, 3] → [_, _, 1, 2]

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Answer: Row4[1]=5, Row3[2]=4, Row1[1]=19, Row4[2]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [19]
  • [12,7]
  • [8,4,3]
  • [5,3,1,2]
Base
  • 5
  • 3
  • 1
  • 2
TopValue
19
HiddenCells
  • {"r":3,"c":0,"v":5}
  • {"r":2,"c":1,"v":4}
  • {"r":0,"c":0,"v":19}
  • {"r":3,"c":1,"v":3}