expert Set 15 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [14, 13] → [_, 4, 9]

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Answer: Row3[1]=10, Row1[1]=27

SubType
number-pyramid
Difficulty
expert
Levels
  • [27]
  • [14,13]
  • [10,4,9]
Base
  • 10
  • 4
  • 9
TopValue
27
HiddenCells
  • {"r":2,"c":0,"v":10}
  • {"r":0,"c":0,"v":27}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 15] → [9, 6, 9]

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Answer: Row2[1]=15, Row1[1]=30

SubType
number-pyramid
Difficulty
expert
Levels
  • [30]
  • [15,15]
  • [9,6,9]
Base
  • 9
  • 6
  • 9
TopValue
30
HiddenCells
  • {"r":1,"c":0,"v":15}
  • {"r":0,"c":0,"v":30}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, _] → [7, 5, 3]

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Answer: Row1[1]=20, Row2[2]=8

SubType
number-pyramid
Difficulty
expert
Levels
  • [20]
  • [12,8]
  • [7,5,3]
Base
  • 7
  • 5
  • 3
TopValue
20
HiddenCells
  • {"r":0,"c":0,"v":20}
  • {"r":1,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [_, 7] → [7, _, 6]

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Answer: Row3[2]=1, Row2[1]=8

SubType
number-pyramid
Difficulty
expert
Levels
  • [15]
  • [8,7]
  • [7,1,6]
Base
  • 7
  • 1
  • 6
TopValue
15
HiddenCells
  • {"r":2,"c":1,"v":1}
  • {"r":1,"c":0,"v":8}