expert Set 77 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [7, _] → [1, 6, 2]

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Answer: Row1[1]=15, Row2[2]=8

SubType
number-pyramid
Difficulty
expert
Levels
  • [15]
  • [7,8]
  • [1,6,2]
Base
  • 1
  • 6
  • 2
TopValue
15
HiddenCells
  • {"r":0,"c":0,"v":15}
  • {"r":1,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [10] → [_, 7] → [_, 1, 6]

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [10]
  • [3,7]
  • [2,1,6]
Base
  • 2
  • 1
  • 6
TopValue
10
HiddenCells
  • {"r":2,"c":0,"v":2}
  • {"r":1,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [9, 15] → [3, _, _]

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Answer: Row3[3]=9, Row3[2]=6

SubType
number-pyramid
Difficulty
expert
Levels
  • [24]
  • [9,15]
  • [3,6,9]
Base
  • 3
  • 6
  • 9
TopValue
24
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":2,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [14, 17] → [_, _, 9]

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Answer: Row3[2]=8, Row3[1]=6

SubType
number-pyramid
Difficulty
expert
Levels
  • [31]
  • [14,17]
  • [6,8,9]
Base
  • 6
  • 8
  • 9
TopValue
31
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"r":2,"c":0,"v":6}