medium Set 31 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [25, 19] → [_, 12, _] → [3, 10, 2, _]

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Answer: Row1[1]=44, Row4[4]=5, Row3[1]=13, Row3[3]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [44]
  • [25,19]
  • [13,12,7]
  • [3,10,2,5]
Base
  • 3
  • 10
  • 2
  • 5
TopValue
44
HiddenCells
  • {"r":0,"c":0,"v":44}
  • {"r":3,"c":3,"v":5}
  • {"r":2,"c":0,"v":13}
  • {"r":2,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [46] → [27, _] → [18, 9, _] → [10, _, 1, _]

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Answer: Row4[2]=8, Row2[2]=19, Row3[3]=10, Row4[4]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [46]
  • [27,19]
  • [18,9,10]
  • [10,8,1,9]
Base
  • 10
  • 8
  • 1
  • 9
TopValue
46
HiddenCells
  • {"r":3,"c":1,"v":8}
  • {"r":1,"c":1,"v":19}
  • {"r":2,"c":2,"v":10}
  • {"r":3,"c":3,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [32] → [19, 13] → [12, _, _] → [8, 4, _, _]

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Answer: Row3[2]=7, Row3[3]=6, Row4[4]=3, Row4[3]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [32]
  • [19,13]
  • [12,7,6]
  • [8,4,3,3]
Base
  • 8
  • 4
  • 3
  • 3
TopValue
32
HiddenCells
  • {"r":2,"c":1,"v":7}
  • {"r":2,"c":2,"v":6}
  • {"r":3,"c":3,"v":3}
  • {"r":3,"c":2,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [25, 22] → [_, 15, 7] → [_, 9, 6, _]

Show answer

Answer: Row1[1]=47, Row3[1]=10, Row4[1]=1, Row4[4]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [25,22]
  • [10,15,7]
  • [1,9,6,1]
Base
  • 1
  • 9
  • 6
  • 1
TopValue
47
HiddenCells
  • {"r":0,"c":0,"v":47}
  • {"r":2,"c":0,"v":10}
  • {"r":3,"c":0,"v":1}
  • {"r":3,"c":3,"v":1}