medium Set 43 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [42] → [_, 24] → [_, 9, 15] → [_, 1, _, 7]

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Answer: Row4[1]=8, Row3[1]=9, Row2[1]=18, Row4[3]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [18,24]
  • [9,9,15]
  • [8,1,8,7]
Base
  • 8
  • 1
  • 8
  • 7
TopValue
42
HiddenCells
  • {"r":3,"c":0,"v":8}
  • {"r":2,"c":0,"v":9}
  • {"r":1,"c":0,"v":18}
  • {"r":3,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [43] → [_, _] → [10, 12, 9] → [5, _, _, 2]

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Answer: Row2[2]=21, Row4[3]=7, Row2[1]=22, Row4[2]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [43]
  • [22,21]
  • [10,12,9]
  • [5,5,7,2]
Base
  • 5
  • 5
  • 7
  • 2
TopValue
43
HiddenCells
  • {"r":1,"c":1,"v":21}
  • {"r":3,"c":2,"v":7}
  • {"r":1,"c":0,"v":22}
  • {"r":3,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [55] → [27, 28] → [11, _, _] → [2, _, _, 5]

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Answer: Row4[3]=7, Row3[3]=12, Row3[2]=16, Row4[2]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [55]
  • [27,28]
  • [11,16,12]
  • [2,9,7,5]
Base
  • 2
  • 9
  • 7
  • 5
TopValue
55
HiddenCells
  • {"r":3,"c":2,"v":7}
  • {"r":2,"c":2,"v":12}
  • {"r":2,"c":1,"v":16}
  • {"r":3,"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): [71] → [_, 34] → [_, 18, _] → [9, _, 8, 8]

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Answer: Row4[2]=10, Row3[1]=19, Row3[3]=16, Row2[1]=37

SubType
number-pyramid
Difficulty
medium
Levels
  • [71]
  • [37,34]
  • [19,18,16]
  • [9,10,8,8]
Base
  • 9
  • 10
  • 8
  • 8
TopValue
71
HiddenCells
  • {"r":3,"c":1,"v":10}
  • {"r":2,"c":0,"v":19}
  • {"r":2,"c":2,"v":16}
  • {"r":1,"c":0,"v":37}