medium Set 61 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [64] → [_, 34] → [11, 19, _] → [_, 9, 10, _]

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Answer: Row3[3]=15, Row4[1]=2, Row2[1]=30, Row4[4]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [64]
  • [30,34]
  • [11,19,15]
  • [2,9,10,5]
Base
  • 2
  • 9
  • 10
  • 5
TopValue
64
HiddenCells
  • {"r":2,"c":2,"v":15}
  • {"r":3,"c":0,"v":2}
  • {"r":1,"c":0,"v":30}
  • {"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): [27] → [16, _] → [10, 6, _] → [_, 3, _, 2]

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Answer: Row3[3]=5, Row2[2]=11, Row4[3]=3, Row4[1]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [27]
  • [16,11]
  • [10,6,5]
  • [7,3,3,2]
Base
  • 7
  • 3
  • 3
  • 2
TopValue
27
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"r":1,"c":1,"v":11}
  • {"r":3,"c":2,"v":3}
  • {"r":3,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [26, 27] → [14, _, _] → [9, 5, _, 8]

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Answer: Row3[2]=12, Row1[1]=53, Row3[3]=15, Row4[3]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [26,27]
  • [14,12,15]
  • [9,5,7,8]
Base
  • 9
  • 5
  • 7
  • 8
TopValue
53
HiddenCells
  • {"r":2,"c":1,"v":12}
  • {"r":0,"c":0,"v":53}
  • {"r":2,"c":2,"v":15}
  • {"r":3,"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): [_] → [_, 20] → [11, 10, _] → [6, 5, 5, _]

Show answer

Answer: Row3[3]=10, Row2[1]=21, Row4[4]=5, Row1[1]=41

SubType
number-pyramid
Difficulty
medium
Levels
  • [41]
  • [21,20]
  • [11,10,10]
  • [6,5,5,5]
Base
  • 6
  • 5
  • 5
  • 5
TopValue
41
HiddenCells
  • {"r":2,"c":2,"v":10}
  • {"r":1,"c":0,"v":21}
  • {"r":3,"c":3,"v":5}
  • {"r":0,"c":0,"v":41}