expert Set 55 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [_, 12] → [_, 9, 3]

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Answer: Row3[1]=2, Row2[1]=11

SubType
number-pyramid
Difficulty
expert
Levels
  • [23]
  • [11,12]
  • [2,9,3]
Base
  • 2
  • 9
  • 3
TopValue
23
HiddenCells
  • {"r":2,"c":0,"v":2}
  • {"r":1,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [10, 13] → [6, _, _]

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Answer: Row3[2]=4, Row3[3]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [23]
  • [10,13]
  • [6,4,9]
Base
  • 6
  • 4
  • 9
TopValue
23
HiddenCells
  • {"r":2,"c":1,"v":4}
  • {"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): [28] → [11, _] → [2, 9, _]

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Answer: Row3[3]=8, Row2[2]=17

SubType
number-pyramid
Difficulty
expert
Levels
  • [28]
  • [11,17]
  • [2,9,8]
Base
  • 2
  • 9
  • 8
TopValue
28
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"r":1,"c":1,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, 16] → [8, 7, _]

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Answer: Row1[1]=31, Row3[3]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [31]
  • [15,16]
  • [8,7,9]
Base
  • 8
  • 7
  • 9
TopValue
31
HiddenCells
  • {"r":0,"c":0,"v":31}
  • {"r":2,"c":2,"v":9}