medium Set 81 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [17, 13] → [11, 6, _] → [_, _, _, 4]

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

SubType
number-pyramid
Difficulty
medium
Levels
  • [30]
  • [17,13]
  • [11,6,7]
  • [8,3,3,4]
Base
  • 8
  • 3
  • 3
  • 4
TopValue
30
HiddenCells
  • {"r":3,"c":2,"v":3}
  • {"r":3,"c":1,"v":3}
  • {"r":3,"c":0,"v":8}
  • {"r":2,"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): [_] → [16, 25] → [6, 10, _] → [3, _, _, 8]

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Answer: Row3[3]=15, Row1[1]=41, Row4[2]=3, Row4[3]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [41]
  • [16,25]
  • [6,10,15]
  • [3,3,7,8]
Base
  • 3
  • 3
  • 7
  • 8
TopValue
41
HiddenCells
  • {"r":2,"c":2,"v":15}
  • {"r":0,"c":0,"v":41}
  • {"r":3,"c":1,"v":3}
  • {"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): [43] → [22, 21] → [11, _, _] → [6, _, 6, _]

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Answer: Row4[2]=5, Row4[4]=4, Row3[3]=10, Row3[2]=11

SubType
number-pyramid
Difficulty
medium
Levels
  • [43]
  • [22,21]
  • [11,11,10]
  • [6,5,6,4]
Base
  • 6
  • 5
  • 6
  • 4
TopValue
43
HiddenCells
  • {"r":3,"c":1,"v":5}
  • {"r":3,"c":3,"v":4}
  • {"r":2,"c":2,"v":10}
  • {"r":2,"c":1,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [39] → [25, 14] → [17, _, _] → [_, 7, 1, _]

Show answer

Answer: Row4[4]=5, Row4[1]=10, Row3[2]=8, Row3[3]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [39]
  • [25,14]
  • [17,8,6]
  • [10,7,1,5]
Base
  • 10
  • 7
  • 1
  • 5
TopValue
39
HiddenCells
  • {"r":3,"c":3,"v":5}
  • {"r":3,"c":0,"v":10}
  • {"r":2,"c":1,"v":8}
  • {"r":2,"c":2,"v":6}