expert Set 25 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [8, _] → [2, 6, _]

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Answer: Row2[2]=9, Row3[3]=3

SubType
number-pyramid
Difficulty
expert
Levels
  • [17]
  • [8,9]
  • [2,6,3]
Base
  • 2
  • 6
  • 3
TopValue
17
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"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): [6] → [4, _] → [3, _, 1]

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [6]
  • [4,2]
  • [3,1,1]
Base
  • 3
  • 1
  • 1
TopValue
6
HiddenCells
  • {"r":2,"c":1,"v":1}
  • {"r":1,"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): [19] → [_, 10] → [6, 3, _]

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Answer: Row3[3]=7, Row2[1]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [19]
  • [9,10]
  • [6,3,7]
Base
  • 6
  • 3
  • 7
TopValue
19
HiddenCells
  • {"r":2,"c":2,"v":7}
  • {"r":1,"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): [15] → [12, 3] → [_, 2, _]

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Answer: Row3[3]=1, Row3[1]=10

SubType
number-pyramid
Difficulty
expert
Levels
  • [15]
  • [12,3]
  • [10,2,1]
Base
  • 10
  • 2
  • 1
TopValue
15
HiddenCells
  • {"r":2,"c":2,"v":1}
  • {"r":2,"c":0,"v":10}