expert Set 63 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [12, 9] → [_, _, 4]

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Answer: Row3[1]=7, Row3[2]=5

SubType
number-pyramid
Difficulty
expert
Levels
  • [21]
  • [12,9]
  • [7,5,4]
Base
  • 7
  • 5
  • 4
TopValue
21
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":2,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [_, 8] → [6, _, 5]

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [17]
  • [9,8]
  • [6,3,5]
Base
  • 6
  • 3
  • 5
TopValue
17
HiddenCells
  • {"r":2,"c":1,"v":3}
  • {"r":1,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [4, 6] → [_, 1, 5]

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [10]
  • [4,6]
  • [3,1,5]
Base
  • 3
  • 1
  • 5
TopValue
10
HiddenCells
  • {"r":2,"c":0,"v":3}
  • {"r":0,"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): [19] → [13, 6] → [_, _, 2]

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Answer: Row3[2]=4, Row3[1]=9

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