medium Set 47 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [49] → [25, 24] → [13, _, _] → [_, _, 9, 3]

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Answer: Row3[3]=12, Row4[2]=3, Row3[2]=12, Row4[1]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [49]
  • [25,24]
  • [13,12,12]
  • [10,3,9,3]
Base
  • 10
  • 3
  • 9
  • 3
TopValue
49
HiddenCells
  • {"r":2,"c":2,"v":12}
  • {"r":3,"c":1,"v":3}
  • {"r":2,"c":1,"v":12}
  • {"r":3,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [55] → [31, _] → [17, _, 10] → [_, 10, _, 6]

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Answer: Row4[1]=7, Row3[2]=14, Row4[3]=4, Row2[2]=24

SubType
number-pyramid
Difficulty
medium
Levels
  • [55]
  • [31,24]
  • [17,14,10]
  • [7,10,4,6]
Base
  • 7
  • 10
  • 4
  • 6
TopValue
55
HiddenCells
  • {"r":3,"c":0,"v":7}
  • {"r":2,"c":1,"v":14}
  • {"r":3,"c":2,"v":4}
  • {"r":1,"c":1,"v":24}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [49] → [24, 25] → [12, _, _] → [_, 4, 8, _]

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Answer: Row4[4]=5, Row3[2]=12, Row4[1]=8, Row3[3]=13

SubType
number-pyramid
Difficulty
medium
Levels
  • [49]
  • [24,25]
  • [12,12,13]
  • [8,4,8,5]
Base
  • 8
  • 4
  • 8
  • 5
TopValue
49
HiddenCells
  • {"r":3,"c":3,"v":5}
  • {"r":2,"c":1,"v":12}
  • {"r":3,"c":0,"v":8}
  • {"r":2,"c":2,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [35, 35] → [17, _, 17] → [_, _, 8, 9]

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Answer: Row4[1]=7, Row1[1]=70, Row4[2]=10, Row3[2]=18

SubType
number-pyramid
Difficulty
medium
Levels
  • [70]
  • [35,35]
  • [17,18,17]
  • [7,10,8,9]
Base
  • 7
  • 10
  • 8
  • 9
TopValue
70
HiddenCells
  • {"r":3,"c":0,"v":7}
  • {"r":0,"c":0,"v":70}
  • {"r":3,"c":1,"v":10}
  • {"r":2,"c":1,"v":18}