expert Set 42 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [8, _] → [3, 5, 7]

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Answer: Row1[1]=20, Row2[2]=12

SubType
number-pyramid
Difficulty
expert
Levels
  • [20]
  • [8,12]
  • [3,5,7]
Base
  • 3
  • 5
  • 7
TopValue
20
HiddenCells
  • {"r":0,"c":0,"v":20}
  • {"r":1,"c":1,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [10] → [5, 5] → [_, _, 4]

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Answer: Row3[2]=1, Row3[1]=4

SubType
number-pyramid
Difficulty
expert
Levels
  • [10]
  • [5,5]
  • [4,1,4]
Base
  • 4
  • 1
  • 4
TopValue
10
HiddenCells
  • {"r":2,"c":1,"v":1}
  • {"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): [19] → [12, _] → [9, _, 4]

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Answer: Row2[2]=7, Row3[2]=3

SubType
number-pyramid
Difficulty
expert
Levels
  • [19]
  • [12,7]
  • [9,3,4]
Base
  • 9
  • 3
  • 4
TopValue
19
HiddenCells
  • {"r":1,"c":1,"v":7}
  • {"r":2,"c":1,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [16] → [_, 6] → [5, _, 1]

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Answer: Row3[2]=5, Row2[1]=10

SubType
number-pyramid
Difficulty
expert
Levels
  • [16]
  • [10,6]
  • [5,5,1]
Base
  • 5
  • 5
  • 1
TopValue
16
HiddenCells
  • {"r":2,"c":1,"v":5}
  • {"r":1,"c":0,"v":10}