expert Set 87 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [19, _] → [10, 9, 2]

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Answer: Row1[1]=30, Row2[2]=11

SubType
number-pyramid
Difficulty
expert
Levels
  • [30]
  • [19,11]
  • [10,9,2]
Base
  • 10
  • 9
  • 2
TopValue
30
HiddenCells
  • {"r":0,"c":0,"v":30}
  • {"r":1,"c":1,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [16, _] → [6, 10, 5]

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Answer: Row1[1]=31, Row2[2]=15

SubType
number-pyramid
Difficulty
expert
Levels
  • [31]
  • [16,15]
  • [6,10,5]
Base
  • 6
  • 10
  • 5
TopValue
31
HiddenCells
  • {"r":0,"c":0,"v":31}
  • {"r":1,"c":1,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [14] → [_, 3] → [10, _, 2]

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [14]
  • [11,3]
  • [10,1,2]
Base
  • 10
  • 1
  • 2
TopValue
14
HiddenCells
  • {"r":2,"c":1,"v":1}
  • {"r":1,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [13] → [10, _] → [8, 2, _]

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [13]
  • [10,3]
  • [8,2,1]
Base
  • 8
  • 2
  • 1
TopValue
13
HiddenCells
  • {"r":1,"c":1,"v":3}
  • {"r":2,"c":2,"v":1}