expert Set 87 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] → [10, _, 5]

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Answer: Row3[2]=3, Row1[1]=21

SubType
number-pyramid
Difficulty
expert
Levels
  • [21]
  • [13,8]
  • [10,3,5]
Base
  • 10
  • 3
  • 5
TopValue
21
HiddenCells
  • {"r":2,"c":1,"v":3}
  • {"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): [_] → [12, 5] → [8, _, 1]

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Answer: Row1[1]=17, Row3[2]=4

SubType
number-pyramid
Difficulty
expert
Levels
  • [17]
  • [12,5]
  • [8,4,1]
Base
  • 8
  • 4
  • 1
TopValue
17
HiddenCells
  • {"r":0,"c":0,"v":17}
  • {"r":2,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [38] → [_, 18] → [10, _, 8]

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Answer: Row2[1]=20, Row3[2]=10

SubType
number-pyramid
Difficulty
expert
Levels
  • [38]
  • [20,18]
  • [10,10,8]
Base
  • 10
  • 10
  • 8
TopValue
38
HiddenCells
  • {"r":1,"c":0,"v":20}
  • {"r":2,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [6, 8] → [_, 4, 4]

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Answer: Row3[1]=2, Row1[1]=14

SubType
number-pyramid
Difficulty
expert
Levels
  • [14]
  • [6,8]
  • [2,4,4]
Base
  • 2
  • 4
  • 4
TopValue
14
HiddenCells
  • {"r":2,"c":0,"v":2}
  • {"r":0,"c":0,"v":14}