medium Set 25 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 34] → [_, 19, _] → [4, 9, 10, 5]

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Answer: Row1[1]=66, Row3[3]=15, Row3[1]=13, Row2[1]=32

SubType
number-pyramid
Difficulty
medium
Levels
  • [66]
  • [32,34]
  • [13,19,15]
  • [4,9,10,5]
Base
  • 4
  • 9
  • 10
  • 5
TopValue
66
HiddenCells
  • {"r":0,"c":0,"v":66}
  • {"r":2,"c":2,"v":15}
  • {"r":2,"c":0,"v":13}
  • {"r":1,"c":0,"v":32}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [53] → [28, 25] → [13, 15, _] → [_, 8, _, _]

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Answer: Row4[3]=7, Row4[4]=3, Row4[1]=5, Row3[3]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [28,25]
  • [13,15,10]
  • [5,8,7,3]
Base
  • 5
  • 8
  • 7
  • 3
TopValue
53
HiddenCells
  • {"r":3,"c":2,"v":7}
  • {"r":3,"c":3,"v":3}
  • {"r":3,"c":0,"v":5}
  • {"r":2,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [36] → [20, 16] → [_, _, 8] → [_, 5, _, 5]

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Answer: Row4[3]=3, Row3[1]=12, Row4[1]=7, Row3[2]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [36]
  • [20,16]
  • [12,8,8]
  • [7,5,3,5]
Base
  • 7
  • 5
  • 3
  • 5
TopValue
36
HiddenCells
  • {"r":3,"c":2,"v":3}
  • {"r":2,"c":0,"v":12}
  • {"r":3,"c":0,"v":7}
  • {"r":2,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [26, _] → [15, 11, 14] → [_, 5, _, 8]

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Answer: Row4[3]=6, Row4[1]=10, Row1[1]=51, Row2[2]=25

SubType
number-pyramid
Difficulty
medium
Levels
  • [51]
  • [26,25]
  • [15,11,14]
  • [10,5,6,8]
Base
  • 10
  • 5
  • 6
  • 8
TopValue
51
HiddenCells
  • {"r":3,"c":2,"v":6}
  • {"r":3,"c":0,"v":10}
  • {"r":0,"c":0,"v":51}
  • {"r":1,"c":1,"v":25}