medium Set 65 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 21] → [_, 11, _] → [9, 7, 4, 6]

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Answer: Row1[1]=48, Row3[1]=16, Row3[3]=10, Row2[1]=27

SubType
number-pyramid
Difficulty
medium
Levels
  • [48]
  • [27,21]
  • [16,11,10]
  • [9,7,4,6]
Base
  • 9
  • 7
  • 4
  • 6
TopValue
48
HiddenCells
  • {"r":0,"c":0,"v":48}
  • {"r":2,"c":0,"v":16}
  • {"r":2,"c":2,"v":10}
  • {"r":1,"c":0,"v":27}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [36, _] → [19, 17, 13] → [10, _, _, 5]

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Answer: Row1[1]=66, Row2[2]=30, Row4[2]=9, Row4[3]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [66]
  • [36,30]
  • [19,17,13]
  • [10,9,8,5]
Base
  • 10
  • 9
  • 8
  • 5
TopValue
66
HiddenCells
  • {"r":0,"c":0,"v":66}
  • {"r":1,"c":1,"v":30}
  • {"r":3,"c":1,"v":9}
  • {"r":3,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [42] → [19, _] → [9, _, 13] → [_, _, 6, 7]

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Answer: Row4[2]=4, Row2[2]=23, Row3[2]=10, Row4[1]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [19,23]
  • [9,10,13]
  • [5,4,6,7]
Base
  • 5
  • 4
  • 6
  • 7
TopValue
42
HiddenCells
  • {"r":3,"c":1,"v":4}
  • {"r":1,"c":1,"v":23}
  • {"r":2,"c":1,"v":10}
  • {"r":3,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [17, _] → [4, 13, 15] → [_, 3, 10, _]

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Answer: Row4[4]=5, Row1[1]=45, Row4[1]=1, Row2[2]=28

SubType
number-pyramid
Difficulty
medium
Levels
  • [45]
  • [17,28]
  • [4,13,15]
  • [1,3,10,5]
Base
  • 1
  • 3
  • 10
  • 5
TopValue
45
HiddenCells
  • {"r":3,"c":3,"v":5}
  • {"r":0,"c":0,"v":45}
  • {"r":3,"c":0,"v":1}
  • {"r":1,"c":1,"v":28}