expert Set 26 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [12, 19] → [2, _, _]

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Answer: Row3[3]=9, Row3[2]=10

SubType
number-pyramid
Difficulty
expert
Levels
  • [31]
  • [12,19]
  • [2,10,9]
Base
  • 2
  • 10
  • 9
TopValue
31
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"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] → [11, _] → [9, 2, _]

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Answer: Row2[2]=8, Row3[3]=6

SubType
number-pyramid
Difficulty
expert
Levels
  • [19]
  • [11,8]
  • [9,2,6]
Base
  • 9
  • 2
  • 6
TopValue
19
HiddenCells
  • {"r":1,"c":1,"v":8}
  • {"r":2,"c":2,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [13] → [11, _] → [10, 1, _]

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Answer: Row3[3]=1, Row2[2]=2

SubType
number-pyramid
Difficulty
expert
Levels
  • [13]
  • [11,2]
  • [10,1,1]
Base
  • 10
  • 1
  • 1
TopValue
13
HiddenCells
  • {"r":2,"c":2,"v":1}
  • {"r":1,"c":1,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [10, _] → [9, _, 7]

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [18]
  • [10,8]
  • [9,1,7]
Base
  • 9
  • 1
  • 7
TopValue
18
HiddenCells
  • {"r":2,"c":1,"v":1}
  • {"r":1,"c":1,"v":8}