medium Set 48 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [71] → [38, _] → [_, 18, 15] → [_, 10, 8, _]

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Answer: Row3[1]=20, Row4[1]=10, Row4[4]=7, Row2[2]=33

SubType
number-pyramid
Difficulty
medium
Levels
  • [71]
  • [38,33]
  • [20,18,15]
  • [10,10,8,7]
Base
  • 10
  • 10
  • 8
  • 7
TopValue
71
HiddenCells
  • {"r":2,"c":0,"v":20}
  • {"r":3,"c":0,"v":10}
  • {"r":3,"c":3,"v":7}
  • {"r":1,"c":1,"v":33}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 12] → [8, 5, 7] → [5, 3, _, _]

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Answer: Row1[1]=25, Row2[1]=13, Row4[3]=2, Row4[4]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [25]
  • [13,12]
  • [8,5,7]
  • [5,3,2,5]
Base
  • 5
  • 3
  • 2
  • 5
TopValue
25
HiddenCells
  • {"r":0,"c":0,"v":25}
  • {"r":1,"c":0,"v":13}
  • {"r":3,"c":2,"v":2}
  • {"r":3,"c":3,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [44] → [_, _] → [10, _, 12] → [2, 8, _, 9]

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Answer: Row2[2]=23, Row3[2]=11, Row4[3]=3, Row2[1]=21

SubType
number-pyramid
Difficulty
medium
Levels
  • [44]
  • [21,23]
  • [10,11,12]
  • [2,8,3,9]
Base
  • 2
  • 8
  • 3
  • 9
TopValue
44
HiddenCells
  • {"r":1,"c":1,"v":23}
  • {"r":2,"c":1,"v":11}
  • {"r":3,"c":2,"v":3}
  • {"r":1,"c":0,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [16] → [_, 8] → [4, 4, 4] → [2, _, _, _]

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Answer: Row4[4]=2, Row4[3]=2, Row2[1]=8, Row4[2]=2

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