expert Set 72 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [11, _] → [7, 4, _]

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Answer: Row3[3]=3, Row2[2]=7

SubType
number-pyramid
Difficulty
expert
Levels
  • [18]
  • [11,7]
  • [7,4,3]
Base
  • 7
  • 4
  • 3
TopValue
18
HiddenCells
  • {"r":2,"c":2,"v":3}
  • {"r":1,"c":1,"v":7}

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

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

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

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

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Answer: Row3[1]=1, Row1[1]=29

SubType
number-pyramid
Difficulty
expert
Levels
  • [29]
  • [10,19]
  • [1,9,10]
Base
  • 1
  • 9
  • 10
TopValue
29
HiddenCells
  • {"r":2,"c":0,"v":1}
  • {"r":0,"c":0,"v":29}

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

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