medium Set 60 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [13, _] → [4, _, _] → [_, 2, 7, 1]

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Answer: Row3[2]=9, Row3[3]=8, Row2[2]=17, Row4[1]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [30]
  • [13,17]
  • [4,9,8]
  • [2,2,7,1]
Base
  • 2
  • 2
  • 7
  • 1
TopValue
30
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":2,"c":2,"v":8}
  • {"r":1,"c":1,"v":17}
  • {"r":3,"c":0,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [22, _] → [10, 12, _] → [7, 3, 9, _]

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Answer: Row2[2]=28, Row1[1]=50, Row4[4]=7, Row3[3]=16

SubType
number-pyramid
Difficulty
medium
Levels
  • [50]
  • [22,28]
  • [10,12,16]
  • [7,3,9,7]
Base
  • 7
  • 3
  • 9
  • 7
TopValue
50
HiddenCells
  • {"r":1,"c":1,"v":28}
  • {"r":0,"c":0,"v":50}
  • {"r":3,"c":3,"v":7}
  • {"r":2,"c":2,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [47] → [_, 22] → [_, 12, 10] → [9, _, _, 2]

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Answer: Row3[1]=13, Row2[1]=25, Row4[3]=8, Row4[2]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [25,22]
  • [13,12,10]
  • [9,4,8,2]
Base
  • 9
  • 4
  • 8
  • 2
TopValue
47
HiddenCells
  • {"r":2,"c":0,"v":13}
  • {"r":1,"c":0,"v":25}
  • {"r":3,"c":2,"v":8}
  • {"r":3,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [25, 19] → [_, 10, _] → [8, 7, _, 6]

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Answer: Row4[3]=3, Row3[3]=9, Row1[1]=44, Row3[1]=15

SubType
number-pyramid
Difficulty
medium
Levels
  • [44]
  • [25,19]
  • [15,10,9]
  • [8,7,3,6]
Base
  • 8
  • 7
  • 3
  • 6
TopValue
44
HiddenCells
  • {"r":3,"c":2,"v":3}
  • {"r":2,"c":2,"v":9}
  • {"r":0,"c":0,"v":44}
  • {"r":2,"c":0,"v":15}