expert Set 30 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [_, 13] → [_, 8, 5]

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [23]
  • [10,13]
  • [2,8,5]
Base
  • 2
  • 8
  • 5
TopValue
23
HiddenCells
  • {"r":1,"c":0,"v":10}
  • {"r":2,"c":0,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [_, 12] → [_, 6, 6]

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Answer: Row3[1]=3, Row2[1]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [21]
  • [9,12]
  • [3,6,6]
Base
  • 3
  • 6
  • 6
TopValue
21
HiddenCells
  • {"r":2,"c":0,"v":3}
  • {"r":1,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [_, 16] → [_, 9, 7]

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Answer: Row3[1]=6, Row2[1]=15

SubType
number-pyramid
Difficulty
expert
Levels
  • [31]
  • [15,16]
  • [6,9,7]
Base
  • 6
  • 9
  • 7
TopValue
31
HiddenCells
  • {"r":2,"c":0,"v":6}
  • {"r":1,"c":0,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [8, _] → [7, 1, _]

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Answer: Row3[3]=9, Row2[2]=10

SubType
number-pyramid
Difficulty
expert
Levels
  • [18]
  • [8,10]
  • [7,1,9]
Base
  • 7
  • 1
  • 9
TopValue
18
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":1,"c":1,"v":10}