easy Set 17 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 11] → [7, 2, 9]

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Answer: Row2[1]=9, Row1[1]=20

SubType
number-pyramid
Difficulty
easy
Levels
  • [20]
  • [9,11]
  • [7,2,9]
Base
  • 7
  • 2
  • 9
TopValue
20
HiddenCells
  • {"r":1,"c":0,"v":9}
  • {"r":0,"c":0,"v":20}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 15] → [8, 10, 5]

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Answer: Row2[1]=18, Row1[1]=33

SubType
number-pyramid
Difficulty
easy
Levels
  • [33]
  • [18,15]
  • [8,10,5]
Base
  • 8
  • 10
  • 5
TopValue
33
HiddenCells
  • {"r":1,"c":0,"v":18}
  • {"r":0,"c":0,"v":33}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [13] → [5, 8] → [1, _, _]

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Answer: Row3[2]=4, Row3[3]=4

SubType
number-pyramid
Difficulty
easy
Levels
  • [13]
  • [5,8]
  • [1,4,4]
Base
  • 1
  • 4
  • 4
TopValue
13
HiddenCells
  • {"r":2,"c":1,"v":4}
  • {"r":2,"c":2,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [6, 12] → [_, 2, 10]

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Answer: Row3[1]=4, Row1[1]=18

SubType
number-pyramid
Difficulty
easy
Levels
  • [18]
  • [6,12]
  • [4,2,10]
Base
  • 4
  • 2
  • 10
TopValue
18
HiddenCells
  • {"r":2,"c":0,"v":4}
  • {"r":0,"c":0,"v":18}