expert Set 79 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [5, _] → [3, 2, 5]

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Answer: Row2[2]=7, Row1[1]=12

SubType
number-pyramid
Difficulty
expert
Levels
  • [12]
  • [5,7]
  • [3,2,5]
Base
  • 3
  • 2
  • 5
TopValue
12
HiddenCells
  • {"r":1,"c":1,"v":7}
  • {"r":0,"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): [18] → [8, 10] → [_, 5, _]

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Answer: Row3[1]=3, Row3[3]=5

SubType
number-pyramid
Difficulty
expert
Levels
  • [18]
  • [8,10]
  • [3,5,5]
Base
  • 3
  • 5
  • 5
TopValue
18
HiddenCells
  • {"r":2,"c":0,"v":3}
  • {"r":2,"c":2,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [19, 11] → [9, _, 1]

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Answer: Row1[1]=30, Row3[2]=10

SubType
number-pyramid
Difficulty
expert
Levels
  • [30]
  • [19,11]
  • [9,10,1]
Base
  • 9
  • 10
  • 1
TopValue
30
HiddenCells
  • {"r":0,"c":0,"v":30}
  • {"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] → [6, _] → [_, 4, 9]

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Answer: Row2[2]=13, Row3[1]=2

SubType
number-pyramid
Difficulty
expert
Levels
  • [19]
  • [6,13]
  • [2,4,9]
Base
  • 2
  • 4
  • 9
TopValue
19
HiddenCells
  • {"r":1,"c":1,"v":13}
  • {"r":2,"c":0,"v":2}