expert Set 47 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [13, 17] → [_, 9, _]

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Answer: Row3[3]=8, Row3[1]=4

SubType
number-pyramid
Difficulty
expert
Levels
  • [30]
  • [13,17]
  • [4,9,8]
Base
  • 4
  • 9
  • 8
TopValue
30
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"r":2,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [10] → [2, _] → [1, _, 7]

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [10]
  • [2,8]
  • [1,1,7]
Base
  • 1
  • 1
  • 7
TopValue
10
HiddenCells
  • {"r":1,"c":1,"v":8}
  • {"r":2,"c":1,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [10, 8] → [6, _, _]

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Answer: Row3[2]=4, Row3[3]=4

SubType
number-pyramid
Difficulty
expert
Levels
  • [18]
  • [10,8]
  • [6,4,4]
Base
  • 6
  • 4
  • 4
TopValue
18
HiddenCells
  • {"r":2,"c":1,"v":4}
  • {"r":2,"c":2,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [_, 8] → [9, _, 5]

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Answer: Row3[2]=3, Row2[1]=12

SubType
number-pyramid
Difficulty
expert
Levels
  • [20]
  • [12,8]
  • [9,3,5]
Base
  • 9
  • 3
  • 5
TopValue
20
HiddenCells
  • {"r":2,"c":1,"v":3}
  • {"r":1,"c":0,"v":12}