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): [_] → [_, 17] → [3, 9, 8]

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Answer: Row1[1]=29, Row2[1]=12

SubType
number-pyramid
Difficulty
expert
Levels
  • [29]
  • [12,17]
  • [3,9,8]
Base
  • 3
  • 9
  • 8
TopValue
29
HiddenCells
  • {"r":0,"c":0,"v":29}
  • {"r":1,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [12] → [4, 8] → [_, 3, _]

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Answer: Row3[3]=5, Row3[1]=1

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [_, 9] → [_, 2, 7]

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Answer: Row2[1]=8, Row3[1]=6

SubType
number-pyramid
Difficulty
expert
Levels
  • [17]
  • [8,9]
  • [6,2,7]
Base
  • 6
  • 2
  • 7
TopValue
17
HiddenCells
  • {"r":1,"c":0,"v":8}
  • {"r":2,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [_, 4] → [8, _, 1]

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Answer: Row3[2]=3, Row2[1]=11

SubType
number-pyramid
Difficulty
expert
Levels
  • [15]
  • [11,4]
  • [8,3,1]
Base
  • 8
  • 3
  • 1
TopValue
15
HiddenCells
  • {"r":2,"c":1,"v":3}
  • {"r":1,"c":0,"v":11}