medium Set 49 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [10, _] → [_, _, 5] → [_, 1, 4, 1]

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Answer: Row3[2]=5, Row4[1]=4, Row3[1]=5, Row2[2]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [20]
  • [10,10]
  • [5,5,5]
  • [4,1,4,1]
Base
  • 4
  • 1
  • 4
  • 1
TopValue
20
HiddenCells
  • {"r":2,"c":1,"v":5}
  • {"r":3,"c":0,"v":4}
  • {"r":2,"c":0,"v":5}
  • {"r":1,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [63] → [_, 28] → [19, _, _] → [10, _, 7, 5]

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Answer: Row4[2]=9, Row2[1]=35, Row3[3]=12, Row3[2]=16

SubType
number-pyramid
Difficulty
medium
Levels
  • [63]
  • [35,28]
  • [19,16,12]
  • [10,9,7,5]
Base
  • 10
  • 9
  • 7
  • 5
TopValue
63
HiddenCells
  • {"r":3,"c":1,"v":9}
  • {"r":1,"c":0,"v":35}
  • {"r":2,"c":2,"v":12}
  • {"r":2,"c":1,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [27, 35] → [10, 17, 18] → [_, 8, _, _]

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Answer: Row1[1]=62, Row4[3]=9, Row4[1]=2, Row4[4]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [62]
  • [27,35]
  • [10,17,18]
  • [2,8,9,9]
Base
  • 2
  • 8
  • 9
  • 9
TopValue
62
HiddenCells
  • {"r":0,"c":0,"v":62}
  • {"r":3,"c":2,"v":9}
  • {"r":3,"c":0,"v":2}
  • {"r":3,"c":3,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [40, _] → [20, 20, _] → [10, _, 10, 8]

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Answer: Row2[2]=38, Row1[1]=78, Row4[2]=10, Row3[3]=18

SubType
number-pyramid
Difficulty
medium
Levels
  • [78]
  • [40,38]
  • [20,20,18]
  • [10,10,10,8]
Base
  • 10
  • 10
  • 10
  • 8
TopValue
78
HiddenCells
  • {"r":1,"c":1,"v":38}
  • {"r":0,"c":0,"v":78}
  • {"r":3,"c":1,"v":10}
  • {"r":2,"c":2,"v":18}