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): [66] → [_, 35] → [_, 20, _] → [1, _, 10, 5]

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Answer: Row3[3]=15, Row4[2]=10, Row2[1]=31, Row3[1]=11

SubType
number-pyramid
Difficulty
medium
Levels
  • [66]
  • [31,35]
  • [11,20,15]
  • [1,10,10,5]
Base
  • 1
  • 10
  • 10
  • 5
TopValue
66
HiddenCells
  • {"r":2,"c":2,"v":15}
  • {"r":3,"c":1,"v":10}
  • {"r":1,"c":0,"v":31}
  • {"r":2,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [54] → [23, 31] → [10, _, _] → [_, 4, 9, _]

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Answer: Row3[2]=13, Row4[1]=6, Row4[4]=9, Row3[3]=18

SubType
number-pyramid
Difficulty
medium
Levels
  • [54]
  • [23,31]
  • [10,13,18]
  • [6,4,9,9]
Base
  • 6
  • 4
  • 9
  • 9
TopValue
54
HiddenCells
  • {"r":2,"c":1,"v":13}
  • {"r":3,"c":0,"v":6}
  • {"r":3,"c":3,"v":9}
  • {"r":2,"c":2,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [51] → [27, 24] → [15, _, _] → [_, 9, 3, _]

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Answer: Row3[3]=12, Row4[1]=6, Row3[2]=12, Row4[4]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [51]
  • [27,24]
  • [15,12,12]
  • [6,9,3,9]
Base
  • 6
  • 9
  • 3
  • 9
TopValue
51
HiddenCells
  • {"r":2,"c":2,"v":12}
  • {"r":3,"c":0,"v":6}
  • {"r":2,"c":1,"v":12}
  • {"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): [43] → [_, 24] → [7, _, _] → [2, _, 7, 5]

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Answer: Row3[2]=12, Row4[2]=5, Row2[1]=19, Row3[3]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [43]
  • [19,24]
  • [7,12,12]
  • [2,5,7,5]
Base
  • 2
  • 5
  • 7
  • 5
TopValue
43
HiddenCells
  • {"r":2,"c":1,"v":12}
  • {"r":3,"c":1,"v":5}
  • {"r":1,"c":0,"v":19}
  • {"r":2,"c":2,"v":12}