medium Set 83 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [16, 12, 9] → [_, 9, 3, 6]

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Answer: Row2[1]=28, Row1[1]=49, Row4[1]=7, Row2[2]=21

SubType
number-pyramid
Difficulty
medium
Levels
  • [49]
  • [28,21]
  • [16,12,9]
  • [7,9,3,6]
Base
  • 7
  • 9
  • 3
  • 6
TopValue
49
HiddenCells
  • {"r":1,"c":0,"v":28}
  • {"r":0,"c":0,"v":49}
  • {"r":3,"c":0,"v":7}
  • {"r":1,"c":1,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [41] → [17, 24] → [_, 11, _] → [_, 2, _, 4]

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Answer: Row3[1]=6, Row4[1]=4, Row4[3]=9, Row3[3]=13

SubType
number-pyramid
Difficulty
medium
Levels
  • [41]
  • [17,24]
  • [6,11,13]
  • [4,2,9,4]
Base
  • 4
  • 2
  • 9
  • 4
TopValue
41
HiddenCells
  • {"r":2,"c":0,"v":6}
  • {"r":3,"c":0,"v":4}
  • {"r":3,"c":2,"v":9}
  • {"r":2,"c":2,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [45] → [28, 17] → [_, 11, _] → [10, _, 4, _]

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Answer: Row3[1]=17, Row3[3]=6, Row4[4]=2, Row4[2]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [45]
  • [28,17]
  • [17,11,6]
  • [10,7,4,2]
Base
  • 10
  • 7
  • 4
  • 2
TopValue
45
HiddenCells
  • {"r":2,"c":0,"v":17}
  • {"r":2,"c":2,"v":6}
  • {"r":3,"c":3,"v":2}
  • {"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): [50] → [28, 22] → [18, _, _] → [_, 8, _, 10]

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Answer: Row3[2]=10, Row4[3]=2, Row4[1]=10, Row3[3]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [50]
  • [28,22]
  • [18,10,12]
  • [10,8,2,10]
Base
  • 10
  • 8
  • 2
  • 10
TopValue
50
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":3,"c":2,"v":2}
  • {"r":3,"c":0,"v":10}
  • {"r":2,"c":2,"v":12}