medium Set 45 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [52] → [_, 29] → [12, _, 18] → [_, 2, 9, _]

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Answer: Row4[1]=10, Row2[1]=23, Row4[4]=9, Row3[2]=11

SubType
number-pyramid
Difficulty
medium
Levels
  • [52]
  • [23,29]
  • [12,11,18]
  • [10,2,9,9]
Base
  • 10
  • 2
  • 9
  • 9
TopValue
52
HiddenCells
  • {"r":3,"c":0,"v":10}
  • {"r":1,"c":0,"v":23}
  • {"r":3,"c":3,"v":9}
  • {"r":2,"c":1,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [28, _] → [15, _, 14] → [8, _, 6, 8]

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Answer: Row2[2]=27, Row3[2]=13, Row1[1]=55, Row4[2]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [55]
  • [28,27]
  • [15,13,14]
  • [8,7,6,8]
Base
  • 8
  • 7
  • 6
  • 8
TopValue
55
HiddenCells
  • {"r":1,"c":1,"v":27}
  • {"r":2,"c":1,"v":13}
  • {"r":0,"c":0,"v":55}
  • {"r":3,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [27, 27] → [_, 15, _] → [_, 5, 10, 2]

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Answer: Row1[1]=54, Row4[1]=7, Row3[3]=12, Row3[1]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [54]
  • [27,27]
  • [12,15,12]
  • [7,5,10,2]
Base
  • 7
  • 5
  • 10
  • 2
TopValue
54
HiddenCells
  • {"r":0,"c":0,"v":54}
  • {"r":3,"c":0,"v":7}
  • {"r":2,"c":2,"v":12}
  • {"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): [32] → [15, 17] → [10, _, _] → [_, _, 3, 9]

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

SubType
number-pyramid
Difficulty
medium
Levels
  • [32]
  • [15,17]
  • [10,5,12]
  • [8,2,3,9]
Base
  • 8
  • 2
  • 3
  • 9
TopValue
32
HiddenCells
  • {"r":2,"c":1,"v":5}
  • {"r":3,"c":0,"v":8}
  • {"r":3,"c":1,"v":2}
  • {"r":2,"c":2,"v":12}