medium Set 86 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [71] → [31, 40] → [_, _, _] → [1, 10, _, 10]

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Answer: Row3[1]=11, Row4[3]=10, Row3[2]=20, Row3[3]=20

SubType
number-pyramid
Difficulty
medium
Levels
  • [71]
  • [31,40]
  • [11,20,20]
  • [1,10,10,10]
Base
  • 1
  • 10
  • 10
  • 10
TopValue
71
HiddenCells
  • {"r":2,"c":0,"v":11}
  • {"r":3,"c":2,"v":10}
  • {"r":2,"c":1,"v":20}
  • {"r":2,"c":2,"v":20}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [17, 13] → [12, 5, 8] → [_, _, 3, _]

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Answer: Row1[1]=30, Row4[4]=5, Row4[2]=2, Row4[1]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [30]
  • [17,13]
  • [12,5,8]
  • [10,2,3,5]
Base
  • 10
  • 2
  • 3
  • 5
TopValue
30
HiddenCells
  • {"r":0,"c":0,"v":30}
  • {"r":3,"c":3,"v":5}
  • {"r":3,"c":1,"v":2}
  • {"r":3,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [24, 15] → [14, 10, 5] → [5, _, _, _]

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Answer: Row4[4]=4, Row1[1]=39, Row4[2]=9, Row4[3]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [39]
  • [24,15]
  • [14,10,5]
  • [5,9,1,4]
Base
  • 5
  • 9
  • 1
  • 4
TopValue
39
HiddenCells
  • {"r":3,"c":3,"v":4}
  • {"r":0,"c":0,"v":39}
  • {"r":3,"c":1,"v":9}
  • {"r":3,"c":2,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [13, 11, 12] → [5, _, 3, 9]

Show answer

Answer: Row4[2]=8, Row1[1]=47, Row2[1]=24, Row2[2]=23

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [24,23]
  • [13,11,12]
  • [5,8,3,9]
Base
  • 5
  • 8
  • 3
  • 9
TopValue
47
HiddenCells
  • {"r":3,"c":1,"v":8}
  • {"r":0,"c":0,"v":47}
  • {"r":1,"c":0,"v":24}
  • {"r":1,"c":1,"v":23}