medium Set 28 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [17, 12, 7] → [_, 7, 5, 2]

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Answer: Row4[1]=10, Row2[1]=29, Row1[1]=48, Row2[2]=19

SubType
number-pyramid
Difficulty
medium
Levels
  • [48]
  • [29,19]
  • [17,12,7]
  • [10,7,5,2]
Base
  • 10
  • 7
  • 5
  • 2
TopValue
48
HiddenCells
  • {"r":3,"c":0,"v":10}
  • {"r":1,"c":0,"v":29}
  • {"r":0,"c":0,"v":48}
  • {"r":1,"c":1,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [66] → [_, 34] → [_, 17, 17] → [7, 8, _, _]

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Answer: Row4[3]=9, Row2[1]=32, Row3[1]=15, Row4[4]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [66]
  • [32,34]
  • [15,17,17]
  • [7,8,9,8]
Base
  • 7
  • 8
  • 9
  • 8
TopValue
66
HiddenCells
  • {"r":3,"c":2,"v":9}
  • {"r":1,"c":0,"v":32}
  • {"r":2,"c":0,"v":15}
  • {"r":3,"c":3,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [54] → [30, _] → [15, 15, 9] → [_, _, _, 4]

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Answer: Row4[1]=5, Row4[3]=5, Row4[2]=10, Row2[2]=24

SubType
number-pyramid
Difficulty
medium
Levels
  • [54]
  • [30,24]
  • [15,15,9]
  • [5,10,5,4]
Base
  • 5
  • 10
  • 5
  • 4
TopValue
54
HiddenCells
  • {"r":3,"c":0,"v":5}
  • {"r":3,"c":2,"v":5}
  • {"r":3,"c":1,"v":10}
  • {"r":1,"c":1,"v":24}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [19, 27] → [8, _, _] → [_, 3, 8, 8]

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Answer: Row3[2]=11, Row4[1]=5, Row1[1]=46, Row3[3]=16

SubType
number-pyramid
Difficulty
medium
Levels
  • [46]
  • [19,27]
  • [8,11,16]
  • [5,3,8,8]
Base
  • 5
  • 3
  • 8
  • 8
TopValue
46
HiddenCells
  • {"r":2,"c":1,"v":11}
  • {"r":3,"c":0,"v":5}
  • {"r":0,"c":0,"v":46}
  • {"r":2,"c":2,"v":16}