medium Set 31 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [57] → [_, _] → [10, _, _] → [5, 5, 10, 7]

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Answer: Row3[2]=15, Row3[3]=17, Row2[1]=25, Row2[2]=32

SubType
number-pyramid
Difficulty
medium
Levels
  • [57]
  • [25,32]
  • [10,15,17]
  • [5,5,10,7]
Base
  • 5
  • 5
  • 10
  • 7
TopValue
57
HiddenCells
  • {"r":2,"c":1,"v":15}
  • {"r":2,"c":2,"v":17}
  • {"r":1,"c":0,"v":25}
  • {"r":1,"c":1,"v":32}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 27] → [10, 17, 10] → [_, 9, _, 2]

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Answer: Row2[1]=27, Row4[3]=8, Row1[1]=54, Row4[1]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [54]
  • [27,27]
  • [10,17,10]
  • [1,9,8,2]
Base
  • 1
  • 9
  • 8
  • 2
TopValue
54
HiddenCells
  • {"r":1,"c":0,"v":27}
  • {"r":3,"c":2,"v":8}
  • {"r":0,"c":0,"v":54}
  • {"r":3,"c":0,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 33] → [_, 15, 18] → [7, 7, _, 10]

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Answer: Row4[3]=8, Row1[1]=62, Row3[1]=14, Row2[1]=29

SubType
number-pyramid
Difficulty
medium
Levels
  • [62]
  • [29,33]
  • [14,15,18]
  • [7,7,8,10]
Base
  • 7
  • 7
  • 8
  • 10
TopValue
62
HiddenCells
  • {"r":3,"c":2,"v":8}
  • {"r":0,"c":0,"v":62}
  • {"r":2,"c":0,"v":14}
  • {"r":1,"c":0,"v":29}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [7, _] → [3, _, 12] → [_, 2, _, 10]

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Answer: Row2[2]=16, Row4[1]=1, Row4[3]=2, Row3[2]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [23]
  • [7,16]
  • [3,4,12]
  • [1,2,2,10]
Base
  • 1
  • 2
  • 2
  • 10
TopValue
23
HiddenCells
  • {"r":1,"c":1,"v":16}
  • {"r":3,"c":0,"v":1}
  • {"r":3,"c":2,"v":2}
  • {"r":2,"c":1,"v":4}