expert Set 97 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [12, _] → [_, 7, 2]

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Answer: Row3[1]=5, Row2[2]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [21]
  • [12,9]
  • [5,7,2]
Base
  • 5
  • 7
  • 2
TopValue
21
HiddenCells
  • {"r":2,"c":0,"v":5}
  • {"r":1,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 18] → [3, _, 9]

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Answer: Row1[1]=30, Row3[2]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [30]
  • [12,18]
  • [3,9,9]
Base
  • 3
  • 9
  • 9
TopValue
30
HiddenCells
  • {"r":0,"c":0,"v":30}
  • {"r":2,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [_, 12] → [2, 7, _]

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Answer: Row3[3]=5, Row2[1]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [21]
  • [9,12]
  • [2,7,5]
Base
  • 2
  • 7
  • 5
TopValue
21
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"r":1,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [_, 13] → [5, 10, _]

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [28]
  • [15,13]
  • [5,10,3]
Base
  • 5
  • 10
  • 3
TopValue
28
HiddenCells
  • {"r":1,"c":0,"v":15}
  • {"r":2,"c":2,"v":3}