expert Set 75 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [14, _] → [9, 5, _]

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Answer: Row2[2]=6, Row3[3]=1

SubType
number-pyramid
Difficulty
expert
Levels
  • [20]
  • [14,6]
  • [9,5,1]
Base
  • 9
  • 5
  • 1
TopValue
20
HiddenCells
  • {"r":1,"c":1,"v":6}
  • {"r":2,"c":2,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [3, 12] → [1, _, 10]

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Answer: Row1[1]=15, Row3[2]=2

SubType
number-pyramid
Difficulty
expert
Levels
  • [15]
  • [3,12]
  • [1,2,10]
Base
  • 1
  • 2
  • 10
TopValue
15
HiddenCells
  • {"r":0,"c":0,"v":15}
  • {"r":2,"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): [20] → [11, _] → [_, 8, 1]

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Answer: Row2[2]=9, Row3[1]=3

SubType
number-pyramid
Difficulty
expert
Levels
  • [20]
  • [11,9]
  • [3,8,1]
Base
  • 3
  • 8
  • 1
TopValue
20
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"r":2,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 11] → [5, _, 4]

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Answer: Row3[2]=7, Row1[1]=23

SubType
number-pyramid
Difficulty
expert
Levels
  • [23]
  • [12,11]
  • [5,7,4]
Base
  • 5
  • 7
  • 4
TopValue
23
HiddenCells
  • {"r":2,"c":1,"v":7}
  • {"r":0,"c":0,"v":23}