medium Set 75 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [47] → [30, _] → [18, _, _] → [8, _, 2, 3]

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Answer: Row3[3]=5, Row4[2]=10, Row2[2]=17, Row3[2]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [30,17]
  • [18,12,5]
  • [8,10,2,3]
Base
  • 8
  • 10
  • 2
  • 3
TopValue
47
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"r":3,"c":1,"v":10}
  • {"r":1,"c":1,"v":17}
  • {"r":2,"c":1,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [50] → [20, 30] → [8, _, 18] → [_, _, _, 10]

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Answer: Row3[2]=12, Row4[3]=8, Row4[2]=4, Row4[1]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [50]
  • [20,30]
  • [8,12,18]
  • [4,4,8,10]
Base
  • 4
  • 4
  • 8
  • 10
TopValue
50
HiddenCells
  • {"r":2,"c":1,"v":12}
  • {"r":3,"c":2,"v":8}
  • {"r":3,"c":1,"v":4}
  • {"r":3,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [53] → [_, _] → [8, 14, 17] → [3, _, _, 8]

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Answer: Row4[2]=5, Row4[3]=9, Row2[1]=22, Row2[2]=31

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [22,31]
  • [8,14,17]
  • [3,5,9,8]
Base
  • 3
  • 5
  • 9
  • 8
TopValue
53
HiddenCells
  • {"r":3,"c":1,"v":5}
  • {"r":3,"c":2,"v":9}
  • {"r":1,"c":0,"v":22}
  • {"r":1,"c":1,"v":31}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [27, _] → [15, 12, 11] → [6, 9, _, _]

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Answer: Row4[4]=8, Row2[2]=23, Row4[3]=3, Row1[1]=50

SubType
number-pyramid
Difficulty
medium
Levels
  • [50]
  • [27,23]
  • [15,12,11]
  • [6,9,3,8]
Base
  • 6
  • 9
  • 3
  • 8
TopValue
50
HiddenCells
  • {"r":3,"c":3,"v":8}
  • {"r":1,"c":1,"v":23}
  • {"r":3,"c":2,"v":3}
  • {"r":0,"c":0,"v":50}