expert Set 89 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, 13] → [_, 8, 5]

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Answer: Row3[1]=7, Row1[1]=28

SubType
number-pyramid
Difficulty
expert
Levels
  • [28]
  • [15,13]
  • [7,8,5]
Base
  • 7
  • 8
  • 5
TopValue
28
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":0,"c":0,"v":28}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [16, _] → [_, 6, 3]

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Answer: Row2[2]=9, Row3[1]=10

SubType
number-pyramid
Difficulty
expert
Levels
  • [25]
  • [16,9]
  • [10,6,3]
Base
  • 10
  • 6
  • 3
TopValue
25
HiddenCells
  • {"r":1,"c":1,"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] → [_, _] → [5, 1, 10]

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Answer: Row2[2]=11, Row2[1]=6

SubType
number-pyramid
Difficulty
expert
Levels
  • [17]
  • [6,11]
  • [5,1,10]
Base
  • 5
  • 1
  • 10
TopValue
17
HiddenCells
  • {"r":1,"c":1,"v":11}
  • {"r":1,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [8, 11] → [6, _, 9]

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Answer: Row3[2]=2, Row1[1]=19

SubType
number-pyramid
Difficulty
expert
Levels
  • [19]
  • [8,11]
  • [6,2,9]
Base
  • 6
  • 2
  • 9
TopValue
19
HiddenCells
  • {"r":2,"c":1,"v":2}
  • {"r":0,"c":0,"v":19}