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): [25] → [_, 12] → [8, 5, _]

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Answer: Row2[1]=13, Row3[3]=7

SubType
number-pyramid
Difficulty
expert
Levels
  • [25]
  • [13,12]
  • [8,5,7]
Base
  • 8
  • 5
  • 7
TopValue
25
HiddenCells
  • {"r":1,"c":0,"v":13}
  • {"r":2,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, 18] → [_, 10, 8]

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Answer: Row3[1]=1, Row1[1]=29

SubType
number-pyramid
Difficulty
expert
Levels
  • [29]
  • [11,18]
  • [1,10,8]
Base
  • 1
  • 10
  • 8
TopValue
29
HiddenCells
  • {"r":2,"c":0,"v":1}
  • {"r":0,"c":0,"v":29}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [11, _] → [2, _, 10]

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Answer: Row3[2]=9, Row2[2]=19

SubType
number-pyramid
Difficulty
expert
Levels
  • [30]
  • [11,19]
  • [2,9,10]
Base
  • 2
  • 9
  • 10
TopValue
30
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":1,"c":1,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [9] → [5, 4] → [_, 1, _]

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

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