expert Set 52 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, _] → [10, 1, 8]

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Answer: Row2[2]=9, Row1[1]=20

SubType
number-pyramid
Difficulty
expert
Levels
  • [20]
  • [11,9]
  • [10,1,8]
Base
  • 10
  • 1
  • 8
TopValue
20
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"r":0,"c":0,"v":20}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [10, _] → [_, 7, 10]

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Answer: Row2[2]=17, Row3[1]=3

SubType
number-pyramid
Difficulty
expert
Levels
  • [27]
  • [10,17]
  • [3,7,10]
Base
  • 3
  • 7
  • 10
TopValue
27
HiddenCells
  • {"r":1,"c":1,"v":17}
  • {"r":2,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [7, 11] → [_, 2, _]

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Answer: Row3[1]=5, Row3[3]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [18]
  • [7,11]
  • [5,2,9]
Base
  • 5
  • 2
  • 9
TopValue
18
HiddenCells
  • {"r":2,"c":0,"v":5}
  • {"r":2,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, 19] → [_, 10, 9]

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Answer: Row3[1]=5, Row1[1]=34

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