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): [13] → [6, _] → [4, _, 5]

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Answer: Row2[2]=7, Row3[2]=2

SubType
number-pyramid
Difficulty
expert
Levels
  • [13]
  • [6,7]
  • [4,2,5]
Base
  • 4
  • 2
  • 5
TopValue
13
HiddenCells
  • {"r":1,"c":1,"v":7}
  • {"r":2,"c":1,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [_, 8] → [7, 3, _]

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Answer: Row2[1]=10, Row3[3]=5

SubType
number-pyramid
Difficulty
expert
Levels
  • [18]
  • [10,8]
  • [7,3,5]
Base
  • 7
  • 3
  • 5
TopValue
18
HiddenCells
  • {"r":1,"c":0,"v":10}
  • {"r":2,"c":2,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [5, 8] → [1, _, 4]

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Answer: Row3[2]=4, Row1[1]=13

SubType
number-pyramid
Difficulty
expert
Levels
  • [13]
  • [5,8]
  • [1,4,4]
Base
  • 1
  • 4
  • 4
TopValue
13
HiddenCells
  • {"r":2,"c":1,"v":4}
  • {"r":0,"c":0,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [8, 7] → [_, 5, 2]

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Answer: Row1[1]=15, Row3[1]=3

SubType
number-pyramid
Difficulty
expert
Levels
  • [15]
  • [8,7]
  • [3,5,2]
Base
  • 3
  • 5
  • 2
TopValue
15
HiddenCells
  • {"r":0,"c":0,"v":15}
  • {"r":2,"c":0,"v":3}