medium Set 51 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [32] → [_, _] → [_, _, 7] → [9, 4, 2, 5]

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Answer: Row2[2]=13, Row3[1]=13, Row2[1]=19, Row3[2]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [32]
  • [19,13]
  • [13,6,7]
  • [9,4,2,5]
Base
  • 9
  • 4
  • 2
  • 5
TopValue
32
HiddenCells
  • {"r":1,"c":1,"v":13}
  • {"r":2,"c":0,"v":13}
  • {"r":1,"c":0,"v":19}
  • {"r":2,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 33] → [11, _, 19] → [_, 4, 10, 9]

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Answer: Row3[2]=14, Row1[1]=58, Row4[1]=7, Row2[1]=25

SubType
number-pyramid
Difficulty
medium
Levels
  • [58]
  • [25,33]
  • [11,14,19]
  • [7,4,10,9]
Base
  • 7
  • 4
  • 10
  • 9
TopValue
58
HiddenCells
  • {"r":2,"c":1,"v":14}
  • {"r":0,"c":0,"v":58}
  • {"r":3,"c":0,"v":7}
  • {"r":1,"c":0,"v":25}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [57] → [32, _] → [18, 14, _] → [_, _, 6, 5]

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Answer: Row4[2]=8, Row2[2]=25, Row4[1]=10, Row3[3]=11

SubType
number-pyramid
Difficulty
medium
Levels
  • [57]
  • [32,25]
  • [18,14,11]
  • [10,8,6,5]
Base
  • 10
  • 8
  • 6
  • 5
TopValue
57
HiddenCells
  • {"r":3,"c":1,"v":8}
  • {"r":1,"c":1,"v":25}
  • {"r":3,"c":0,"v":10}
  • {"r":2,"c":2,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [47] → [20, 27] → [_, 13, _] → [4, 3, _, _]

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Answer: Row3[3]=14, Row4[3]=10, Row4[4]=4, Row3[1]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [20,27]
  • [7,13,14]
  • [4,3,10,4]
Base
  • 4
  • 3
  • 10
  • 4
TopValue
47
HiddenCells
  • {"r":2,"c":2,"v":14}
  • {"r":3,"c":2,"v":10}
  • {"r":3,"c":3,"v":4}
  • {"r":2,"c":0,"v":7}