expert Set 38 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [39] → [20, 19] → [_, 10, _]

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Answer: Row3[3]=9, Row3[1]=10

SubType
number-pyramid
Difficulty
expert
Levels
  • [39]
  • [20,19]
  • [10,10,9]
Base
  • 10
  • 10
  • 9
TopValue
39
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":2,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [_, _] → [3, 4, 6]

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Answer: Row2[2]=10, Row2[1]=7

SubType
number-pyramid
Difficulty
expert
Levels
  • [17]
  • [7,10]
  • [3,4,6]
Base
  • 3
  • 4
  • 6
TopValue
17
HiddenCells
  • {"r":1,"c":1,"v":10}
  • {"r":1,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [6, 14] → [_, 4, _]

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [20]
  • [6,14]
  • [2,4,10]
Base
  • 2
  • 4
  • 10
TopValue
20
HiddenCells
  • {"r":2,"c":2,"v":10}
  • {"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): [31] → [_, 13] → [_, 10, 3]

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Answer: Row2[1]=18, Row3[1]=8

SubType
number-pyramid
Difficulty
expert
Levels
  • [31]
  • [18,13]
  • [8,10,3]
Base
  • 8
  • 10
  • 3
TopValue
31
HiddenCells
  • {"r":1,"c":0,"v":18}
  • {"r":2,"c":0,"v":8}