medium Set 83 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [35, _] → [17, 18, 17] → [9, _, _, 7]

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Answer: Row2[2]=35, Row4[3]=10, Row4[2]=8, Row1[1]=70

SubType
number-pyramid
Difficulty
medium
Levels
  • [70]
  • [35,35]
  • [17,18,17]
  • [9,8,10,7]
Base
  • 9
  • 8
  • 10
  • 7
TopValue
70
HiddenCells
  • {"r":1,"c":1,"v":35}
  • {"r":3,"c":2,"v":10}
  • {"r":3,"c":1,"v":8}
  • {"r":0,"c":0,"v":70}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [_, _] → [_, 6, 6] → [10, _, 3, 3]

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Answer: Row3[1]=13, Row2[2]=12, Row4[2]=3, Row2[1]=19

SubType
number-pyramid
Difficulty
medium
Levels
  • [31]
  • [19,12]
  • [13,6,6]
  • [10,3,3,3]
Base
  • 10
  • 3
  • 3
  • 3
TopValue
31
HiddenCells
  • {"r":2,"c":0,"v":13}
  • {"r":1,"c":1,"v":12}
  • {"r":3,"c":1,"v":3}
  • {"r":1,"c":0,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [50] → [22, 28] → [11, _, 17] → [7, _, _, _]

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Answer: Row4[4]=10, Row4[2]=4, Row4[3]=7, Row3[2]=11

SubType
number-pyramid
Difficulty
medium
Levels
  • [50]
  • [22,28]
  • [11,11,17]
  • [7,4,7,10]
Base
  • 7
  • 4
  • 7
  • 10
TopValue
50
HiddenCells
  • {"r":3,"c":3,"v":10}
  • {"r":3,"c":1,"v":4}
  • {"r":3,"c":2,"v":7}
  • {"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): [_] → [_, 21] → [_, _, 8] → [1, 6, 7, 1]

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Answer: Row1[1]=41, Row3[2]=13, Row3[1]=7, Row2[1]=20

SubType
number-pyramid
Difficulty
medium
Levels
  • [41]
  • [20,21]
  • [7,13,8]
  • [1,6,7,1]
Base
  • 1
  • 6
  • 7
  • 1
TopValue
41
HiddenCells
  • {"r":0,"c":0,"v":41}
  • {"r":2,"c":1,"v":13}
  • {"r":2,"c":0,"v":7}
  • {"r":1,"c":0,"v":20}