expert Set 54 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [18, 13] → [9, _, _]

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [31]
  • [18,13]
  • [9,9,4]
Base
  • 9
  • 9
  • 4
TopValue
31
HiddenCells
  • {"r":2,"c":2,"v":4}
  • {"r":2,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, 10] → [7, 8, _]

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Answer: Row3[3]=2, Row1[1]=25

SubType
number-pyramid
Difficulty
expert
Levels
  • [25]
  • [15,10]
  • [7,8,2]
Base
  • 7
  • 8
  • 2
TopValue
25
HiddenCells
  • {"r":2,"c":2,"v":2}
  • {"r":0,"c":0,"v":25}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [11] → [8, 3] → [_, 1, _]

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Answer: Row3[1]=7, Row3[3]=2

SubType
number-pyramid
Difficulty
expert
Levels
  • [11]
  • [8,3]
  • [7,1,2]
Base
  • 7
  • 1
  • 2
TopValue
11
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":2,"c":2,"v":2}

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

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Answer: Row1[1]=16, Row2[2]=8

SubType
number-pyramid
Difficulty
expert
Levels
  • [16]
  • [8,8]
  • [2,6,2]
Base
  • 2
  • 6
  • 2
TopValue
16
HiddenCells
  • {"r":0,"c":0,"v":16}
  • {"r":1,"c":1,"v":8}