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): [20] → [_, 8] → [5, 7, _]

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [20]
  • [12,8]
  • [5,7,1]
Base
  • 5
  • 7
  • 1
TopValue
20
HiddenCells
  • {"r":1,"c":0,"v":12}
  • {"r":2,"c":2,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, _] → [9, 1, 4]

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Answer: Row2[2]=5, Row1[1]=15

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [8, _] → [1, 7, _]

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Answer: Row2[2]=16, Row3[3]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [24]
  • [8,16]
  • [1,7,9]
Base
  • 1
  • 7
  • 9
TopValue
24
HiddenCells
  • {"r":1,"c":1,"v":16}
  • {"r":2,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [15, _] → [10, _, 8]

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Answer: Row3[2]=5, Row2[2]=13

SubType
number-pyramid
Difficulty
expert
Levels
  • [28]
  • [15,13]
  • [10,5,8]
Base
  • 10
  • 5
  • 8
TopValue
28
HiddenCells
  • {"r":2,"c":1,"v":5}
  • {"r":1,"c":1,"v":13}