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): [31] → [_, 13] → [10, 8, _]

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Answer: Row3[3]=5, Row2[1]=18

SubType
number-pyramid
Difficulty
expert
Levels
  • [31]
  • [18,13]
  • [10,8,5]
Base
  • 10
  • 8
  • 5
TopValue
31
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"r":1,"c":0,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [13, _] → [5, _, 3]

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Answer: Row2[2]=11, Row3[2]=8

SubType
number-pyramid
Difficulty
expert
Levels
  • [24]
  • [13,11]
  • [5,8,3]
Base
  • 5
  • 8
  • 3
TopValue
24
HiddenCells
  • {"r":1,"c":1,"v":11}
  • {"r":2,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, _] → [1, 9, 9]

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Answer: Row1[1]=28, Row2[2]=18

SubType
number-pyramid
Difficulty
expert
Levels
  • [28]
  • [10,18]
  • [1,9,9]
Base
  • 1
  • 9
  • 9
TopValue
28
HiddenCells
  • {"r":0,"c":0,"v":28}
  • {"r":1,"c":1,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [9] → [6, 3] → [_, 1, _]

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Answer: Row3[3]=2, Row3[1]=5

SubType
number-pyramid
Difficulty
expert
Levels
  • [9]
  • [6,3]
  • [5,1,2]
Base
  • 5
  • 1
  • 2
TopValue
9
HiddenCells
  • {"r":2,"c":2,"v":2}
  • {"r":2,"c":0,"v":5}