expert Set 23 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [12, _] → [3, 9, _]

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Answer: Row2[2]=18, Row3[3]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [30]
  • [12,18]
  • [3,9,9]
Base
  • 3
  • 9
  • 9
TopValue
30
HiddenCells
  • {"r":1,"c":1,"v":18}
  • {"r":2,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [19, _] → [9, 10, 2]

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Answer: Row2[2]=12, Row1[1]=31

SubType
number-pyramid
Difficulty
expert
Levels
  • [31]
  • [19,12]
  • [9,10,2]
Base
  • 9
  • 10
  • 2
TopValue
31
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"r":0,"c":0,"v":31}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [_, 10] → [10, 2, _]

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Answer: Row3[3]=8, Row2[1]=12

SubType
number-pyramid
Difficulty
expert
Levels
  • [22]
  • [12,10]
  • [10,2,8]
Base
  • 10
  • 2
  • 8
TopValue
22
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"r":1,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [19, 13] → [_, 9, 4]

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Answer: Row3[1]=10, Row1[1]=32

SubType
number-pyramid
Difficulty
expert
Levels
  • [32]
  • [19,13]
  • [10,9,4]
Base
  • 10
  • 9
  • 4
TopValue
32
HiddenCells
  • {"r":2,"c":0,"v":10}
  • {"r":0,"c":0,"v":32}