expert Set 61 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [13, 8] → [_, 5, _]

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [21]
  • [13,8]
  • [8,5,3]
Base
  • 8
  • 5
  • 3
TopValue
21
HiddenCells
  • {"r":2,"c":0,"v":8}
  • {"r":2,"c":2,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [8] → [3, 5] → [1, _, _]

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [8]
  • [3,5]
  • [1,2,3]
Base
  • 1
  • 2
  • 3
TopValue
8
HiddenCells
  • {"r":2,"c":2,"v":3}
  • {"r":2,"c":1,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [_, _] → [5, 7, 2]

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Answer: Row2[2]=9, Row2[1]=12

SubType
number-pyramid
Difficulty
expert
Levels
  • [21]
  • [12,9]
  • [5,7,2]
Base
  • 5
  • 7
  • 2
TopValue
21
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"r":1,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [16] → [4, _] → [_, 3, 9]

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Answer: Row2[2]=12, Row3[1]=1

SubType
number-pyramid
Difficulty
expert
Levels
  • [16]
  • [4,12]
  • [1,3,9]
Base
  • 1
  • 3
  • 9
TopValue
16
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"r":2,"c":0,"v":1}