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): [52] → [_, 21] → [_, 11, _] → [10, 10, 1, _]

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Answer: Row3[1]=20, Row3[3]=10, Row2[1]=31, Row4[4]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [52]
  • [31,21]
  • [20,11,10]
  • [10,10,1,9]
Base
  • 10
  • 10
  • 1
  • 9
TopValue
52
HiddenCells
  • {"r":2,"c":0,"v":20}
  • {"r":2,"c":2,"v":10}
  • {"r":1,"c":0,"v":31}
  • {"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): [42] → [_, _] → [17, _, _] → [10, 7, 2, 5]

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Answer: Row2[1]=26, Row3[3]=7, Row2[2]=16, Row3[2]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [26,16]
  • [17,9,7]
  • [10,7,2,5]
Base
  • 10
  • 7
  • 2
  • 5
TopValue
42
HiddenCells
  • {"r":1,"c":0,"v":26}
  • {"r":2,"c":2,"v":7}
  • {"r":1,"c":1,"v":16}
  • {"r":2,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [63] → [_, _] → [10, 19, 15] → [1, _, _, 5]

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Answer: Row2[1]=29, Row4[2]=9, Row4[3]=10, Row2[2]=34

SubType
number-pyramid
Difficulty
medium
Levels
  • [63]
  • [29,34]
  • [10,19,15]
  • [1,9,10,5]
Base
  • 1
  • 9
  • 10
  • 5
TopValue
63
HiddenCells
  • {"r":1,"c":0,"v":29}
  • {"r":3,"c":1,"v":9}
  • {"r":3,"c":2,"v":10}
  • {"r":1,"c":1,"v":34}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [59] → [28, 31] → [_, 18, _] → [2, 8, _, _]

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Answer: Row4[3]=10, Row3[3]=13, Row3[1]=10, Row4[4]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [59]
  • [28,31]
  • [10,18,13]
  • [2,8,10,3]
Base
  • 2
  • 8
  • 10
  • 3
TopValue
59
HiddenCells
  • {"r":3,"c":2,"v":10}
  • {"r":2,"c":2,"v":13}
  • {"r":2,"c":0,"v":10}
  • {"r":3,"c":3,"v":3}