expert Set 47 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [13, _] → [_, 9, 9]

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Answer: Row3[1]=4, Row2[2]=18

SubType
number-pyramid
Difficulty
expert
Levels
  • [31]
  • [13,18]
  • [4,9,9]
Base
  • 4
  • 9
  • 9
TopValue
31
HiddenCells
  • {"r":2,"c":0,"v":4}
  • {"r":1,"c":1,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, _] → [4, 8, 2]

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Answer: Row2[2]=10, Row1[1]=22

SubType
number-pyramid
Difficulty
expert
Levels
  • [22]
  • [12,10]
  • [4,8,2]
Base
  • 4
  • 8
  • 2
TopValue
22
HiddenCells
  • {"r":1,"c":1,"v":10}
  • {"r":0,"c":0,"v":22}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [15, 13] → [_, 10, _]

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [28]
  • [15,13]
  • [5,10,3]
Base
  • 5
  • 10
  • 3
TopValue
28
HiddenCells
  • {"r":2,"c":2,"v":3}
  • {"r":2,"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): [15] → [11, 4] → [_, 3, _]

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Answer: Row3[3]=1, Row3[1]=8

SubType
number-pyramid
Difficulty
expert
Levels
  • [15]
  • [11,4]
  • [8,3,1]
Base
  • 8
  • 3
  • 1
TopValue
15
HiddenCells
  • {"r":2,"c":2,"v":1}
  • {"r":2,"c":0,"v":8}