medium Set 72 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [50] → [_, _] → [16, _, 12] → [8, _, 3, 9]

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Answer: Row2[2]=23, Row3[2]=11, Row4[2]=8, Row2[1]=27

SubType
number-pyramid
Difficulty
medium
Levels
  • [50]
  • [27,23]
  • [16,11,12]
  • [8,8,3,9]
Base
  • 8
  • 8
  • 3
  • 9
TopValue
50
HiddenCells
  • {"r":1,"c":1,"v":23}
  • {"r":2,"c":1,"v":11}
  • {"r":3,"c":1,"v":8}
  • {"r":1,"c":0,"v":27}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [19, _] → [10, 9, 5] → [_, 7, 2, _]

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Answer: Row2[2]=14, Row4[4]=3, Row1[1]=33, Row4[1]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [33]
  • [19,14]
  • [10,9,5]
  • [3,7,2,3]
Base
  • 3
  • 7
  • 2
  • 3
TopValue
33
HiddenCells
  • {"r":1,"c":1,"v":14}
  • {"r":3,"c":3,"v":3}
  • {"r":0,"c":0,"v":33}
  • {"r":3,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [36] → [21, _] → [10, _, _] → [1, _, 2, 2]

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Answer: Row4[2]=9, Row3[2]=11, Row2[2]=15, Row3[3]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [36]
  • [21,15]
  • [10,11,4]
  • [1,9,2,2]
Base
  • 1
  • 9
  • 2
  • 2
TopValue
36
HiddenCells
  • {"r":3,"c":1,"v":9}
  • {"r":2,"c":1,"v":11}
  • {"r":1,"c":1,"v":15}
  • {"r":2,"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): [55] → [30, _] → [_, 16, 9] → [_, 9, 7, _]

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Answer: Row4[4]=2, Row4[1]=5, Row2[2]=25, Row3[1]=14

SubType
number-pyramid
Difficulty
medium
Levels
  • [55]
  • [30,25]
  • [14,16,9]
  • [5,9,7,2]
Base
  • 5
  • 9
  • 7
  • 2
TopValue
55
HiddenCells
  • {"r":3,"c":3,"v":2}
  • {"r":3,"c":0,"v":5}
  • {"r":1,"c":1,"v":25}
  • {"r":2,"c":0,"v":14}