expert Set 71 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [14, 9] → [_, _, 4]

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Answer: Row3[1]=9, Row3[2]=5

SubType
number-pyramid
Difficulty
expert
Levels
  • [23]
  • [14,9]
  • [9,5,4]
Base
  • 9
  • 5
  • 4
TopValue
23
HiddenCells
  • {"r":2,"c":0,"v":9}
  • {"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): [28] → [_, 15] → [3, 10, _]

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Answer: Row3[3]=5, Row2[1]=13

SubType
number-pyramid
Difficulty
expert
Levels
  • [28]
  • [13,15]
  • [3,10,5]
Base
  • 3
  • 10
  • 5
TopValue
28
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"r":1,"c":0,"v":13}

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

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [7]
  • [5,2]
  • [4,1,1]
Base
  • 4
  • 1
  • 1
TopValue
7
HiddenCells
  • {"r":1,"c":1,"v":2}
  • {"r":0,"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] → [_, 9] → [6, _, 7]

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Answer: Row3[2]=2, Row2[1]=8

SubType
number-pyramid
Difficulty
expert
Levels
  • [17]
  • [8,9]
  • [6,2,7]
Base
  • 6
  • 2
  • 7
TopValue
17
HiddenCells
  • {"r":2,"c":1,"v":2}
  • {"r":1,"c":0,"v":8}