medium Set 73 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [31, _] → [_, 15, _] → [10, 6, 9, 1]

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Answer: Row2[2]=25, Row3[1]=16, Row3[3]=10, Row1[1]=56

SubType
number-pyramid
Difficulty
medium
Levels
  • [56]
  • [31,25]
  • [16,15,10]
  • [10,6,9,1]
Base
  • 10
  • 6
  • 9
  • 1
TopValue
56
HiddenCells
  • {"r":1,"c":1,"v":25}
  • {"r":2,"c":0,"v":16}
  • {"r":2,"c":2,"v":10}
  • {"r":0,"c":0,"v":56}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [52] → [26, 26] → [_, _, _] → [8, _, 8, 5]

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Answer: Row3[3]=13, Row4[2]=5, Row3[2]=13, Row3[1]=13

SubType
number-pyramid
Difficulty
medium
Levels
  • [52]
  • [26,26]
  • [13,13,13]
  • [8,5,8,5]
Base
  • 8
  • 5
  • 8
  • 5
TopValue
52
HiddenCells
  • {"r":2,"c":2,"v":13}
  • {"r":3,"c":1,"v":5}
  • {"r":2,"c":1,"v":13}
  • {"r":2,"c":0,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 19] → [_, 8, 11] → [9, _, 1, 10]

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Answer: Row4[2]=7, Row1[1]=43, Row2[1]=24, Row3[1]=16

SubType
number-pyramid
Difficulty
medium
Levels
  • [43]
  • [24,19]
  • [16,8,11]
  • [9,7,1,10]
Base
  • 9
  • 7
  • 1
  • 10
TopValue
43
HiddenCells
  • {"r":3,"c":1,"v":7}
  • {"r":0,"c":0,"v":43}
  • {"r":1,"c":0,"v":24}
  • {"r":2,"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): [_] → [20, 18] → [12, _, 10] → [7, 5, _, _]

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Answer: Row1[1]=38, Row4[4]=7, Row3[2]=8, Row4[3]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [20,18]
  • [12,8,10]
  • [7,5,3,7]
Base
  • 7
  • 5
  • 3
  • 7
TopValue
38
HiddenCells
  • {"r":0,"c":0,"v":38}
  • {"r":3,"c":3,"v":7}
  • {"r":2,"c":1,"v":8}
  • {"r":3,"c":2,"v":3}