expert Set 71 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 12] → [8, 10, 2]

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Answer: Row1[1]=30, Row2[1]=18

SubType
number-pyramid
Difficulty
expert
Levels
  • [30]
  • [18,12]
  • [8,10,2]
Base
  • 8
  • 10
  • 2
TopValue
30
HiddenCells
  • {"r":0,"c":0,"v":30}
  • {"r":1,"c":0,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [12, _] → [10, _, 7]

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [21]
  • [12,9]
  • [10,2,7]
Base
  • 10
  • 2
  • 7
TopValue
21
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"r":2,"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): [16] → [7, _] → [3, _, 5]

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Answer: Row3[2]=4, Row2[2]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [16]
  • [7,9]
  • [3,4,5]
Base
  • 3
  • 4
  • 5
TopValue
16
HiddenCells
  • {"r":2,"c":1,"v":4}
  • {"r":1,"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): [13] → [6, _] → [1, _, 2]

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Answer: Row2[2]=7, Row3[2]=5

SubType
number-pyramid
Difficulty
expert
Levels
  • [13]
  • [6,7]
  • [1,5,2]
Base
  • 1
  • 5
  • 2
TopValue
13
HiddenCells
  • {"r":1,"c":1,"v":7}
  • {"r":2,"c":1,"v":5}