medium Set 80 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [13, _] → [_, 7, 10] → [_, 5, 2, 8]

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Answer: Row1[1]=30, Row2[2]=17, Row3[1]=6, Row4[1]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [30]
  • [13,17]
  • [6,7,10]
  • [1,5,2,8]
Base
  • 1
  • 5
  • 2
  • 8
TopValue
30
HiddenCells
  • {"r":0,"c":0,"v":30}
  • {"r":1,"c":1,"v":17}
  • {"r":2,"c":0,"v":6}
  • {"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): [39] → [_, _] → [17, _, 6] → [_, 7, 1, 5]

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Answer: Row4[1]=10, Row2[2]=14, Row2[1]=25, Row3[2]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [39]
  • [25,14]
  • [17,8,6]
  • [10,7,1,5]
Base
  • 10
  • 7
  • 1
  • 5
TopValue
39
HiddenCells
  • {"r":3,"c":0,"v":10}
  • {"r":1,"c":1,"v":14}
  • {"r":1,"c":0,"v":25}
  • {"r":2,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [39] → [_, 22] → [_, 10, 12] → [2, _, _, 7]

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Answer: Row3[1]=7, Row4[2]=5, Row4[3]=5, Row2[1]=17

SubType
number-pyramid
Difficulty
medium
Levels
  • [39]
  • [17,22]
  • [7,10,12]
  • [2,5,5,7]
Base
  • 2
  • 5
  • 5
  • 7
TopValue
39
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":3,"c":1,"v":5}
  • {"r":3,"c":2,"v":5}
  • {"r":1,"c":0,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [47] → [19, 28] → [_, 13, 15] → [_, _, 9, _]

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

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [19,28]
  • [6,13,15]
  • [2,4,9,6]
Base
  • 2
  • 4
  • 9
  • 6
TopValue
47
HiddenCells
  • {"r":3,"c":1,"v":4}
  • {"r":2,"c":0,"v":6}
  • {"r":3,"c":0,"v":2}
  • {"r":3,"c":3,"v":6}