expert Set 20 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [9, 12] → [_, 2, 10]

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Answer: Row3[1]=7, Row1[1]=21

SubType
number-pyramid
Difficulty
expert
Levels
  • [21]
  • [9,12]
  • [7,2,10]
Base
  • 7
  • 2
  • 10
TopValue
21
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":0,"c":0,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [19, _] → [9, 10, 2]

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Answer: Row2[2]=12, Row1[1]=31

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [14] → [4, 10] → [_, 1, _]

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [14]
  • [4,10]
  • [3,1,9]
Base
  • 3
  • 1
  • 9
TopValue
14
HiddenCells
  • {"r":2,"c":0,"v":3}
  • {"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): [12] → [_, 8] → [1, _, 5]

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Answer: Row2[1]=4, Row3[2]=3

SubType
number-pyramid
Difficulty
expert
Levels
  • [12]
  • [4,8]
  • [1,3,5]
Base
  • 1
  • 3
  • 5
TopValue
12
HiddenCells
  • {"r":1,"c":0,"v":4}
  • {"r":2,"c":1,"v":3}