medium Set 20 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [44] → [_, _] → [17, 12, 3] → [7, _, _, 1]

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Answer: Row4[3]=2, Row2[1]=29, Row4[2]=10, Row2[2]=15

SubType
number-pyramid
Difficulty
medium
Levels
  • [44]
  • [29,15]
  • [17,12,3]
  • [7,10,2,1]
Base
  • 7
  • 10
  • 2
  • 1
TopValue
44
HiddenCells
  • {"r":3,"c":2,"v":2}
  • {"r":1,"c":0,"v":29}
  • {"r":3,"c":1,"v":10}
  • {"r":1,"c":1,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 23] → [10, _, 14] → [_, 1, 8, 6]

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Answer: Row1[1]=42, Row4[1]=9, Row2[1]=19, Row3[2]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [19,23]
  • [10,9,14]
  • [9,1,8,6]
Base
  • 9
  • 1
  • 8
  • 6
TopValue
42
HiddenCells
  • {"r":0,"c":0,"v":42}
  • {"r":3,"c":0,"v":9}
  • {"r":1,"c":0,"v":19}
  • {"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): [_] → [_, 34] → [_, _, 16] → [1, 9, 9, 7]

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Answer: Row3[2]=18, Row1[1]=62, Row3[1]=10, Row2[1]=28

SubType
number-pyramid
Difficulty
medium
Levels
  • [62]
  • [28,34]
  • [10,18,16]
  • [1,9,9,7]
Base
  • 1
  • 9
  • 9
  • 7
TopValue
62
HiddenCells
  • {"r":2,"c":1,"v":18}
  • {"r":0,"c":0,"v":62}
  • {"r":2,"c":0,"v":10}
  • {"r":1,"c":0,"v":28}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [36] → [17, _] → [10, _, _] → [6, 4, _, 9]

Show answer

Answer: Row2[2]=19, Row3[3]=12, Row3[2]=7, Row4[3]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [36]
  • [17,19]
  • [10,7,12]
  • [6,4,3,9]
Base
  • 6
  • 4
  • 3
  • 9
TopValue
36
HiddenCells
  • {"r":1,"c":1,"v":19}
  • {"r":2,"c":2,"v":12}
  • {"r":2,"c":1,"v":7}
  • {"r":3,"c":2,"v":3}