medium Set 65 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 23] → [13, 12, _] → [3, 10, _, 9]

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Answer: Row2[1]=25, Row4[3]=2, Row1[1]=48, Row3[3]=11

SubType
number-pyramid
Difficulty
medium
Levels
  • [48]
  • [25,23]
  • [13,12,11]
  • [3,10,2,9]
Base
  • 3
  • 10
  • 2
  • 9
TopValue
48
HiddenCells
  • {"r":1,"c":0,"v":25}
  • {"r":3,"c":2,"v":2}
  • {"r":0,"c":0,"v":48}
  • {"r":2,"c":2,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [31, 32] → [_, 16, _] → [6, _, 7, 9]

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Answer: Row4[2]=9, Row3[1]=15, Row1[1]=63, Row3[3]=16

SubType
number-pyramid
Difficulty
medium
Levels
  • [63]
  • [31,32]
  • [15,16,16]
  • [6,9,7,9]
Base
  • 6
  • 9
  • 7
  • 9
TopValue
63
HiddenCells
  • {"r":3,"c":1,"v":9}
  • {"r":2,"c":0,"v":15}
  • {"r":0,"c":0,"v":63}
  • {"r":2,"c":2,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [39] → [_, 18] → [14, 7, 11] → [9, _, _, _]

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Answer: Row2[1]=21, Row4[4]=9, Row4[3]=2, Row4[2]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [39]
  • [21,18]
  • [14,7,11]
  • [9,5,2,9]
Base
  • 9
  • 5
  • 2
  • 9
TopValue
39
HiddenCells
  • {"r":1,"c":0,"v":21}
  • {"r":3,"c":3,"v":9}
  • {"r":3,"c":2,"v":2}
  • {"r":3,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [42] → [_, 19] → [11, _, _] → [_, 6, 6, 1]

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Answer: Row3[2]=12, Row2[1]=23, Row3[3]=7, Row4[1]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [23,19]
  • [11,12,7]
  • [5,6,6,1]
Base
  • 5
  • 6
  • 6
  • 1
TopValue
42
HiddenCells
  • {"r":2,"c":1,"v":12}
  • {"r":1,"c":0,"v":23}
  • {"r":2,"c":2,"v":7}
  • {"r":3,"c":0,"v":5}