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): [31] → [_, _] → [2, 10, 9]

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Answer: Row2[1]=12, Row2[2]=19

SubType
number-pyramid
Difficulty
expert
Levels
  • [31]
  • [12,19]
  • [2,10,9]
Base
  • 2
  • 10
  • 9
TopValue
31
HiddenCells
  • {"r":1,"c":0,"v":12}
  • {"r":1,"c":1,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [8, _] → [1, 7, _]

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Answer: Row3[3]=4, Row2[2]=11

SubType
number-pyramid
Difficulty
expert
Levels
  • [19]
  • [8,11]
  • [1,7,4]
Base
  • 1
  • 7
  • 4
TopValue
19
HiddenCells
  • {"r":2,"c":2,"v":4}
  • {"r":1,"c":1,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [34] → [18, _] → [_, 9, 7]

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Answer: Row3[1]=9, Row2[2]=16

SubType
number-pyramid
Difficulty
expert
Levels
  • [34]
  • [18,16]
  • [9,9,7]
Base
  • 9
  • 9
  • 7
TopValue
34
HiddenCells
  • {"r":2,"c":0,"v":9}
  • {"r":1,"c":1,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [_, _] → [2, 3, 10]

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Answer: Row2[2]=13, Row2[1]=5

SubType
number-pyramid
Difficulty
expert
Levels
  • [18]
  • [5,13]
  • [2,3,10]
Base
  • 2
  • 3
  • 10
TopValue
18
HiddenCells
  • {"r":1,"c":1,"v":13}
  • {"r":1,"c":0,"v":5}