expert Set 53 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [13, 7] → [_, 5, _]

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [20]
  • [13,7]
  • [8,5,2]
Base
  • 8
  • 5
  • 2
TopValue
20
HiddenCells
  • {"r":2,"c":2,"v":2}
  • {"r":2,"c":0,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [13, 7] → [9, 4, _]

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Answer: Row3[3]=3, Row1[1]=20

SubType
number-pyramid
Difficulty
expert
Levels
  • [20]
  • [13,7]
  • [9,4,3]
Base
  • 9
  • 4
  • 3
TopValue
20
HiddenCells
  • {"r":2,"c":2,"v":3}
  • {"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): [_] → [14, 9] → [_, 5, 4]

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Answer: Row1[1]=23, Row3[1]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [23]
  • [14,9]
  • [9,5,4]
Base
  • 9
  • 5
  • 4
TopValue
23
HiddenCells
  • {"r":0,"c":0,"v":23}
  • {"r":2,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [37] → [_, 19] → [_, 9, 10]

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Answer: Row2[1]=18, Row3[1]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [37]
  • [18,19]
  • [9,9,10]
Base
  • 9
  • 9
  • 10
TopValue
37
HiddenCells
  • {"r":1,"c":0,"v":18}
  • {"r":2,"c":0,"v":9}