medium Set 60 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [27, _] → [12, _, 13] → [_, 5, 10, 3]

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Answer: Row3[2]=15, Row2[2]=28, Row1[1]=55, Row4[1]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [55]
  • [27,28]
  • [12,15,13]
  • [7,5,10,3]
Base
  • 7
  • 5
  • 10
  • 3
TopValue
55
HiddenCells
  • {"r":2,"c":1,"v":15}
  • {"r":1,"c":1,"v":28}
  • {"r":0,"c":0,"v":55}
  • {"r":3,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [18, 10] → [13, _, _] → [_, 4, _, 4]

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Answer: Row3[2]=5, Row3[3]=5, Row4[3]=1, Row4[1]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [28]
  • [18,10]
  • [13,5,5]
  • [9,4,1,4]
Base
  • 9
  • 4
  • 1
  • 4
TopValue
28
HiddenCells
  • {"r":2,"c":1,"v":5}
  • {"r":2,"c":2,"v":5}
  • {"r":3,"c":2,"v":1}
  • {"r":3,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [35] → [21, 14] → [_, 9, _] → [_, _, 3, 2]

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Answer: Row4[1]=6, Row4[2]=6, Row3[3]=5, Row3[1]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [35]
  • [21,14]
  • [12,9,5]
  • [6,6,3,2]
Base
  • 6
  • 6
  • 3
  • 2
TopValue
35
HiddenCells
  • {"r":3,"c":0,"v":6}
  • {"r":3,"c":1,"v":6}
  • {"r":2,"c":2,"v":5}
  • {"r":2,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [73] → [37, _] → [18, 19, 17] → [9, _, _, _]

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Answer: Row2[2]=36, Row4[4]=7, Row4[3]=10, Row4[2]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [73]
  • [37,36]
  • [18,19,17]
  • [9,9,10,7]
Base
  • 9
  • 9
  • 10
  • 7
TopValue
73
HiddenCells
  • {"r":1,"c":1,"v":36}
  • {"r":3,"c":3,"v":7}
  • {"r":3,"c":2,"v":10}
  • {"r":3,"c":1,"v":9}