medium Set 13 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [23, _] → [_, 11, 7] → [_, 6, 5, 2]

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Answer: Row2[2]=18, Row1[1]=41, Row3[1]=12, Row4[1]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [41]
  • [23,18]
  • [12,11,7]
  • [6,6,5,2]
Base
  • 6
  • 6
  • 5
  • 2
TopValue
41
HiddenCells
  • {"r":1,"c":1,"v":18}
  • {"r":0,"c":0,"v":41}
  • {"r":2,"c":0,"v":12}
  • {"r":3,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [6, _] → [_, _, 8] → [2, 1, 2, _]

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Answer: Row4[4]=6, Row3[1]=3, Row2[2]=11, Row3[2]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [17]
  • [6,11]
  • [3,3,8]
  • [2,1,2,6]
Base
  • 2
  • 1
  • 2
  • 6
TopValue
17
HiddenCells
  • {"r":3,"c":3,"v":6}
  • {"r":2,"c":0,"v":3}
  • {"r":1,"c":1,"v":11}
  • {"r":2,"c":1,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [36] → [_, _] → [12, _, 8] → [9, _, 5, 3]

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Answer: Row3[2]=8, Row2[1]=20, Row2[2]=16, Row4[2]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [36]
  • [20,16]
  • [12,8,8]
  • [9,3,5,3]
Base
  • 9
  • 3
  • 5
  • 3
TopValue
36
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"r":1,"c":0,"v":20}
  • {"r":1,"c":1,"v":16}
  • {"r":3,"c":1,"v":3}

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

Show answer

Answer: Row3[2]=19, Row2[1]=38, Row1[1]=72, Row3[3]=15

SubType
number-pyramid
Difficulty
medium
Levels
  • [72]
  • [38,34]
  • [19,19,15]
  • [10,9,10,5]
Base
  • 10
  • 9
  • 10
  • 5
TopValue
72
HiddenCells
  • {"r":2,"c":1,"v":19}
  • {"r":1,"c":0,"v":38}
  • {"r":0,"c":0,"v":72}
  • {"r":2,"c":2,"v":15}