expert Set 39 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [_, 9] → [3, _, 1]

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Answer: Row3[2]=8, Row2[1]=11

SubType
number-pyramid
Difficulty
expert
Levels
  • [20]
  • [11,9]
  • [3,8,1]
Base
  • 3
  • 8
  • 1
TopValue
20
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"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): [_] → [8, _] → [7, 1, 5]

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Answer: Row2[2]=6, Row1[1]=14

SubType
number-pyramid
Difficulty
expert
Levels
  • [14]
  • [8,6]
  • [7,1,5]
Base
  • 7
  • 1
  • 5
TopValue
14
HiddenCells
  • {"r":1,"c":1,"v":6}
  • {"r":0,"c":0,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [26] → [15, _] → [5, _, 1]

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Answer: Row2[2]=11, Row3[2]=10

SubType
number-pyramid
Difficulty
expert
Levels
  • [26]
  • [15,11]
  • [5,10,1]
Base
  • 5
  • 10
  • 1
TopValue
26
HiddenCells
  • {"r":1,"c":1,"v":11}
  • {"r":2,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [10, 9] → [_, _, 3]

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Answer: Row3[2]=6, Row3[1]=4

SubType
number-pyramid
Difficulty
expert
Levels
  • [19]
  • [10,9]
  • [4,6,3]
Base
  • 4
  • 6
  • 3
TopValue
19
HiddenCells
  • {"r":2,"c":1,"v":6}
  • {"r":2,"c":0,"v":4}