expert Set 77 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [7, _] → [2, 5, 9]

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Answer: Row1[1]=21, Row2[2]=14

SubType
number-pyramid
Difficulty
expert
Levels
  • [21]
  • [7,14]
  • [2,5,9]
Base
  • 2
  • 5
  • 9
TopValue
21
HiddenCells
  • {"r":0,"c":0,"v":21}
  • {"r":1,"c":1,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [17, 11] → [_, 9, 2]

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Answer: Row1[1]=28, Row3[1]=8

SubType
number-pyramid
Difficulty
expert
Levels
  • [28]
  • [17,11]
  • [8,9,2]
Base
  • 8
  • 9
  • 2
TopValue
28
HiddenCells
  • {"r":0,"c":0,"v":28}
  • {"r":2,"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): [_] → [_, 14] → [2, 4, 10]

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Answer: Row1[1]=20, Row2[1]=6

SubType
number-pyramid
Difficulty
expert
Levels
  • [20]
  • [6,14]
  • [2,4,10]
Base
  • 2
  • 4
  • 10
TopValue
20
HiddenCells
  • {"r":0,"c":0,"v":20}
  • {"r":1,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [7, 13] → [_, 5, 8]

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Answer: Row1[1]=20, Row3[1]=2

SubType
number-pyramid
Difficulty
expert
Levels
  • [20]
  • [7,13]
  • [2,5,8]
Base
  • 2
  • 5
  • 8
TopValue
20
HiddenCells
  • {"r":0,"c":0,"v":20}
  • {"r":2,"c":0,"v":2}