expert Set 28 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, 11] → [2, _, 3]

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Answer: Row3[2]=8, Row1[1]=21

SubType
number-pyramid
Difficulty
expert
Levels
  • [21]
  • [10,11]
  • [2,8,3]
Base
  • 2
  • 8
  • 3
TopValue
21
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"r":0,"c":0,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [_, 12] → [_, 9, 3]

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [22]
  • [10,12]
  • [1,9,3]
Base
  • 1
  • 9
  • 3
TopValue
22
HiddenCells
  • {"r":1,"c":0,"v":10}
  • {"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): [26] → [15, _] → [10, _, 6]

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Answer: Row2[2]=11, Row3[2]=5

SubType
number-pyramid
Difficulty
expert
Levels
  • [26]
  • [15,11]
  • [10,5,6]
Base
  • 10
  • 5
  • 6
TopValue
26
HiddenCells
  • {"r":1,"c":1,"v":11}
  • {"r":2,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [33] → [_, 18] → [6, 9, _]

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Answer: Row3[3]=9, Row2[1]=15

SubType
number-pyramid
Difficulty
expert
Levels
  • [33]
  • [15,18]
  • [6,9,9]
Base
  • 6
  • 9
  • 9
TopValue
33
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":1,"c":0,"v":15}