expert Set 85 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [5, _] → [4, 1, 7]

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Answer: Row2[2]=8, Row1[1]=13

SubType
number-pyramid
Difficulty
expert
Levels
  • [13]
  • [5,8]
  • [4,1,7]
Base
  • 4
  • 1
  • 7
TopValue
13
HiddenCells
  • {"r":1,"c":1,"v":8}
  • {"r":0,"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): [26] → [_, 14] → [3, 9, _]

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Answer: Row3[3]=5, Row2[1]=12

SubType
number-pyramid
Difficulty
expert
Levels
  • [26]
  • [12,14]
  • [3,9,5]
Base
  • 3
  • 9
  • 5
TopValue
26
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"r":1,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, _] → [5, 10, 5]

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Answer: Row2[2]=15, Row1[1]=30

SubType
number-pyramid
Difficulty
expert
Levels
  • [30]
  • [15,15]
  • [5,10,5]
Base
  • 5
  • 10
  • 5
TopValue
30
HiddenCells
  • {"r":1,"c":1,"v":15}
  • {"r":0,"c":0,"v":30}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [_, 9] → [6, _, 3]

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Answer: Row2[1]=12, Row3[2]=6

SubType
number-pyramid
Difficulty
expert
Levels
  • [21]
  • [12,9]
  • [6,6,3]
Base
  • 6
  • 6
  • 3
TopValue
21
HiddenCells
  • {"r":1,"c":0,"v":12}
  • {"r":2,"c":1,"v":6}