expert Set 83 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [8, 13] → [_, 4, _]

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Answer: Row3[3]=9, Row3[1]=4

SubType
number-pyramid
Difficulty
expert
Levels
  • [21]
  • [8,13]
  • [4,4,9]
Base
  • 4
  • 4
  • 9
TopValue
21
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":2,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [12] → [_, 4] → [_, 2, 2]

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Answer: Row3[1]=6, Row2[1]=8

SubType
number-pyramid
Difficulty
expert
Levels
  • [12]
  • [8,4]
  • [6,2,2]
Base
  • 6
  • 2
  • 2
TopValue
12
HiddenCells
  • {"r":2,"c":0,"v":6}
  • {"r":1,"c":0,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [_, 14] → [4, _, 10]

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Answer: Row3[2]=4, Row2[1]=8

SubType
number-pyramid
Difficulty
expert
Levels
  • [22]
  • [8,14]
  • [4,4,10]
Base
  • 4
  • 4
  • 10
TopValue
22
HiddenCells
  • {"r":2,"c":1,"v":4}
  • {"r":1,"c":0,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [36] → [_, 18] → [10, 8, _]

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Answer: Row2[1]=18, Row3[3]=10

SubType
number-pyramid
Difficulty
expert
Levels
  • [36]
  • [18,18]
  • [10,8,10]
Base
  • 10
  • 8
  • 10
TopValue
36
HiddenCells
  • {"r":1,"c":0,"v":18}
  • {"r":2,"c":2,"v":10}