expert Set 90 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, 13] → [_, 8, 5]

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Answer: Row1[1]=28, Row3[1]=7

SubType
number-pyramid
Difficulty
expert
Levels
  • [28]
  • [15,13]
  • [7,8,5]
Base
  • 7
  • 8
  • 5
TopValue
28
HiddenCells
  • {"r":0,"c":0,"v":28}
  • {"r":2,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, 8] → [8, 7, _]

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Answer: Row3[3]=1, Row1[1]=23

SubType
number-pyramid
Difficulty
expert
Levels
  • [23]
  • [15,8]
  • [8,7,1]
Base
  • 8
  • 7
  • 1
TopValue
23
HiddenCells
  • {"r":2,"c":2,"v":1}
  • {"r":0,"c":0,"v":23}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [12, 9] → [_, 8, _]

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Answer: Row3[3]=1, Row3[1]=4

SubType
number-pyramid
Difficulty
expert
Levels
  • [21]
  • [12,9]
  • [4,8,1]
Base
  • 4
  • 8
  • 1
TopValue
21
HiddenCells
  • {"r":2,"c":2,"v":1}
  • {"r":2,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 15] → [3, 5, 10]

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Answer: Row1[1]=23, Row2[1]=8

SubType
number-pyramid
Difficulty
expert
Levels
  • [23]
  • [8,15]
  • [3,5,10]
Base
  • 3
  • 5
  • 10
TopValue
23
HiddenCells
  • {"r":0,"c":0,"v":23}
  • {"r":1,"c":0,"v":8}