expert Set 67 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [18, 20] → [8, 10, _]

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Answer: Row3[3]=10, Row1[1]=38

SubType
number-pyramid
Difficulty
expert
Levels
  • [38]
  • [18,20]
  • [8,10,10]
Base
  • 8
  • 10
  • 10
TopValue
38
HiddenCells
  • {"r":2,"c":2,"v":10}
  • {"r":0,"c":0,"v":38}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [9, 8] → [3, _, _]

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [17]
  • [9,8]
  • [3,6,2]
Base
  • 3
  • 6
  • 2
TopValue
17
HiddenCells
  • {"r":2,"c":2,"v":2}
  • {"r":2,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [9, _] → [_, 4, 2]

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Answer: Row2[2]=6, Row3[1]=5

SubType
number-pyramid
Difficulty
expert
Levels
  • [15]
  • [9,6]
  • [5,4,2]
Base
  • 5
  • 4
  • 2
TopValue
15
HiddenCells
  • {"r":1,"c":1,"v":6}
  • {"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): [18] → [_, _] → [3, 3, 9]

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Answer: Row2[1]=6, Row2[2]=12

SubType
number-pyramid
Difficulty
expert
Levels
  • [18]
  • [6,12]
  • [3,3,9]
Base
  • 3
  • 3
  • 9
TopValue
18
HiddenCells
  • {"r":1,"c":0,"v":6}
  • {"r":1,"c":1,"v":12}