medium Set 73 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [42] → [_, 19] → [_, _, 9] → [9, 4, 6, _]

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Answer: Row3[1]=13, Row4[4]=3, Row2[1]=23, Row3[2]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [23,19]
  • [13,10,9]
  • [9,4,6,3]
Base
  • 9
  • 4
  • 6
  • 3
TopValue
42
HiddenCells
  • {"r":2,"c":0,"v":13}
  • {"r":3,"c":3,"v":3}
  • {"r":1,"c":0,"v":23}
  • {"r":2,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [60] → [25, 35] → [10, _, _] → [5, 5, _, _]

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Answer: Row3[2]=15, Row4[4]=10, Row4[3]=10, Row3[3]=20

SubType
number-pyramid
Difficulty
medium
Levels
  • [60]
  • [25,35]
  • [10,15,20]
  • [5,5,10,10]
Base
  • 5
  • 5
  • 10
  • 10
TopValue
60
HiddenCells
  • {"r":2,"c":1,"v":15}
  • {"r":3,"c":3,"v":10}
  • {"r":3,"c":2,"v":10}
  • {"r":2,"c":2,"v":20}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [39] → [_, 24] → [_, 8, 16] → [5, _, 6, _]

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Answer: Row2[1]=15, Row3[1]=7, Row4[2]=2, Row4[4]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [39]
  • [15,24]
  • [7,8,16]
  • [5,2,6,10]
Base
  • 5
  • 2
  • 6
  • 10
TopValue
39
HiddenCells
  • {"r":1,"c":0,"v":15}
  • {"r":2,"c":0,"v":7}
  • {"r":3,"c":1,"v":2}
  • {"r":3,"c":3,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [28, _] → [13, 15, _] → [8, 5, _, 4]

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Answer: Row4[3]=10, Row1[1]=57, Row2[2]=29, Row3[3]=14

SubType
number-pyramid
Difficulty
medium
Levels
  • [57]
  • [28,29]
  • [13,15,14]
  • [8,5,10,4]
Base
  • 8
  • 5
  • 10
  • 4
TopValue
57
HiddenCells
  • {"r":3,"c":2,"v":10}
  • {"r":0,"c":0,"v":57}
  • {"r":1,"c":1,"v":29}
  • {"r":2,"c":2,"v":14}