expert Set 77 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [7] → [4, 3] → [_, _, 2]

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [7]
  • [4,3]
  • [3,1,2]
Base
  • 3
  • 1
  • 2
TopValue
7
HiddenCells
  • {"r":2,"c":1,"v":1}
  • {"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): [26] → [17, _] → [9, _, 1]

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Answer: Row2[2]=9, Row3[2]=8

SubType
number-pyramid
Difficulty
expert
Levels
  • [26]
  • [17,9]
  • [9,8,1]
Base
  • 9
  • 8
  • 1
TopValue
26
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"r":2,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [_, 12] → [5, _, 10]

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Answer: Row3[2]=2, Row2[1]=7

SubType
number-pyramid
Difficulty
expert
Levels
  • [19]
  • [7,12]
  • [5,2,10]
Base
  • 5
  • 2
  • 10
TopValue
19
HiddenCells
  • {"r":2,"c":1,"v":2}
  • {"r":1,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 17] → [3, 7, 10]

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Answer: Row2[1]=10, Row1[1]=27

SubType
number-pyramid
Difficulty
expert
Levels
  • [27]
  • [10,17]
  • [3,7,10]
Base
  • 3
  • 7
  • 10
TopValue
27
HiddenCells
  • {"r":1,"c":0,"v":10}
  • {"r":0,"c":0,"v":27}