expert Set 86 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [13, 8] → [_, 6, 2]

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Answer: Row3[1]=7, Row1[1]=21

SubType
number-pyramid
Difficulty
expert
Levels
  • [21]
  • [13,8]
  • [7,6,2]
Base
  • 7
  • 6
  • 2
TopValue
21
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":0,"c":0,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [_, 10] → [_, 1, 9]

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Answer: Row3[1]=4, Row2[1]=5

SubType
number-pyramid
Difficulty
expert
Levels
  • [15]
  • [5,10]
  • [4,1,9]
Base
  • 4
  • 1
  • 9
TopValue
15
HiddenCells
  • {"r":2,"c":0,"v":4}
  • {"r":1,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, 6] → [_, 4, 2]

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Answer: Row1[1]=17, Row3[1]=7

SubType
number-pyramid
Difficulty
expert
Levels
  • [17]
  • [11,6]
  • [7,4,2]
Base
  • 7
  • 4
  • 2
TopValue
17
HiddenCells
  • {"r":0,"c":0,"v":17}
  • {"r":2,"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): [32] → [17, _] → [7, 10, _]

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Answer: Row3[3]=5, Row2[2]=15

SubType
number-pyramid
Difficulty
expert
Levels
  • [32]
  • [17,15]
  • [7,10,5]
Base
  • 7
  • 10
  • 5
TopValue
32
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"r":1,"c":1,"v":15}