expert Set 83 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, _] → [_, 8, 10]

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Answer: Row3[1]=5, Row2[2]=18

SubType
number-pyramid
Difficulty
expert
Levels
  • [31]
  • [13,18]
  • [5,8,10]
Base
  • 5
  • 8
  • 10
TopValue
31
HiddenCells
  • {"r":2,"c":0,"v":5}
  • {"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): [_] → [_, 17] → [7, 8, 9]

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Answer: Row1[1]=32, Row2[1]=15

SubType
number-pyramid
Difficulty
expert
Levels
  • [32]
  • [15,17]
  • [7,8,9]
Base
  • 7
  • 8
  • 9
TopValue
32
HiddenCells
  • {"r":0,"c":0,"v":32}
  • {"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): [14] → [_, 5] → [7, 2, _]

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [14]
  • [9,5]
  • [7,2,3]
Base
  • 7
  • 2
  • 3
TopValue
14
HiddenCells
  • {"r":1,"c":0,"v":9}
  • {"r":2,"c":2,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [11, _] → [6, 5, _]

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Answer: Row2[2]=7, Row3[3]=2

SubType
number-pyramid
Difficulty
expert
Levels
  • [18]
  • [11,7]
  • [6,5,2]
Base
  • 6
  • 5
  • 2
TopValue
18
HiddenCells
  • {"r":1,"c":1,"v":7}
  • {"r":2,"c":2,"v":2}