expert Set 71 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 8] → [_, 3, 5]

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Answer: Row1[1]=20, Row3[1]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [20]
  • [12,8]
  • [9,3,5]
Base
  • 9
  • 3
  • 5
TopValue
20
HiddenCells
  • {"r":0,"c":0,"v":20}
  • {"r":2,"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): [29] → [14, 15] → [_, _, 5]

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Answer: Row3[2]=10, Row3[1]=4

SubType
number-pyramid
Difficulty
expert
Levels
  • [29]
  • [14,15]
  • [4,10,5]
Base
  • 4
  • 10
  • 5
TopValue
29
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"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): [_] → [6, 11] → [_, 4, 7]

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Answer: Row1[1]=17, Row3[1]=2

SubType
number-pyramid
Difficulty
expert
Levels
  • [17]
  • [6,11]
  • [2,4,7]
Base
  • 2
  • 4
  • 7
TopValue
17
HiddenCells
  • {"r":0,"c":0,"v":17}
  • {"r":2,"c":0,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 9] → [8, _, 5]

Show answer

Answer: Row3[2]=4, Row1[1]=21

SubType
number-pyramid
Difficulty
expert
Levels
  • [21]
  • [12,9]
  • [8,4,5]
Base
  • 8
  • 4
  • 5
TopValue
21
HiddenCells
  • {"r":2,"c":1,"v":4}
  • {"r":0,"c":0,"v":21}