medium Set 30 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [17, 31] → [4, _, 18] → [1, _, 10, _]

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Answer: Row4[4]=8, Row4[2]=3, Row3[2]=13, Row1[1]=48

SubType
number-pyramid
Difficulty
medium
Levels
  • [48]
  • [17,31]
  • [4,13,18]
  • [1,3,10,8]
Base
  • 1
  • 3
  • 10
  • 8
TopValue
48
HiddenCells
  • {"r":3,"c":3,"v":8}
  • {"r":3,"c":1,"v":3}
  • {"r":2,"c":1,"v":13}
  • {"r":0,"c":0,"v":48}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 19] → [10, _, 13] → [7, 3, 3, _]

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Answer: Row3[2]=6, Row1[1]=35, Row4[4]=10, Row2[1]=16

SubType
number-pyramid
Difficulty
medium
Levels
  • [35]
  • [16,19]
  • [10,6,13]
  • [7,3,3,10]
Base
  • 7
  • 3
  • 3
  • 10
TopValue
35
HiddenCells
  • {"r":2,"c":1,"v":6}
  • {"r":0,"c":0,"v":35}
  • {"r":3,"c":3,"v":10}
  • {"r":1,"c":0,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [59] → [_, 30] → [14, 15, _] → [5, 9, _, _]

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Answer: Row4[4]=9, Row2[1]=29, Row4[3]=6, Row3[3]=15

SubType
number-pyramid
Difficulty
medium
Levels
  • [59]
  • [29,30]
  • [14,15,15]
  • [5,9,6,9]
Base
  • 5
  • 9
  • 6
  • 9
TopValue
59
HiddenCells
  • {"r":3,"c":3,"v":9}
  • {"r":1,"c":0,"v":29}
  • {"r":3,"c":2,"v":6}
  • {"r":2,"c":2,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [24, 18] → [13, _, 7] → [6, 7, _, _]

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Answer: Row1[1]=42, Row3[2]=11, Row4[3]=4, Row4[4]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [24,18]
  • [13,11,7]
  • [6,7,4,3]
Base
  • 6
  • 7
  • 4
  • 3
TopValue
42
HiddenCells
  • {"r":0,"c":0,"v":42}
  • {"r":2,"c":1,"v":11}
  • {"r":3,"c":2,"v":4}
  • {"r":3,"c":3,"v":3}