expert Set 31 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [13, 18] → [_, _, 8]

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Answer: Row3[2]=10, Row3[1]=3

SubType
number-pyramid
Difficulty
expert
Levels
  • [31]
  • [13,18]
  • [3,10,8]
Base
  • 3
  • 10
  • 8
TopValue
31
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":2,"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): [26] → [14, _] → [_, 9, 3]

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Answer: Row2[2]=12, Row3[1]=5

SubType
number-pyramid
Difficulty
expert
Levels
  • [26]
  • [14,12]
  • [5,9,3]
Base
  • 5
  • 9
  • 3
TopValue
26
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"r":2,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [15, _] → [_, 6, 4]

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Answer: Row3[1]=9, Row2[2]=10

SubType
number-pyramid
Difficulty
expert
Levels
  • [25]
  • [15,10]
  • [9,6,4]
Base
  • 9
  • 6
  • 4
TopValue
25
HiddenCells
  • {"r":2,"c":0,"v":9}
  • {"r":1,"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): [_] → [14, 13] → [_, 7, 6]

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Answer: Row1[1]=27, Row3[1]=7

SubType
number-pyramid
Difficulty
expert
Levels
  • [27]
  • [14,13]
  • [7,7,6]
Base
  • 7
  • 7
  • 6
TopValue
27
HiddenCells
  • {"r":0,"c":0,"v":27}
  • {"r":2,"c":0,"v":7}