expert Set 79 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[2]=12, Row3[1]=3

SubType
number-pyramid
Difficulty
expert
Levels
  • [20]
  • [8,12]
  • [3,5,7]
Base
  • 3
  • 5
  • 7
TopValue
20
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"r":2,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 10] → [1, 3, 7]

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Answer: Row2[1]=4, Row1[1]=14

SubType
number-pyramid
Difficulty
expert
Levels
  • [14]
  • [4,10]
  • [1,3,7]
Base
  • 1
  • 3
  • 7
TopValue
14
HiddenCells
  • {"r":1,"c":0,"v":4}
  • {"r":0,"c":0,"v":14}

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

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Answer: Row3[1]=4, Row1[1]=28

SubType
number-pyramid
Difficulty
expert
Levels
  • [28]
  • [14,14]
  • [4,10,4]
Base
  • 4
  • 10
  • 4
TopValue
28
HiddenCells
  • {"r":2,"c":0,"v":4}
  • {"r":0,"c":0,"v":28}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [12] → [_, 4] → [6, 2, _]

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Answer: Row3[3]=2, 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":2,"v":2}
  • {"r":1,"c":0,"v":8}