medium Set 80 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [49] → [_, 23] → [15, 11, _] → [10, _, _, 6]

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Answer: Row4[3]=6, Row4[2]=5, Row2[1]=26, Row3[3]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [49]
  • [26,23]
  • [15,11,12]
  • [10,5,6,6]
Base
  • 10
  • 5
  • 6
  • 6
TopValue
49
HiddenCells
  • {"r":3,"c":2,"v":6}
  • {"r":3,"c":1,"v":5}
  • {"r":1,"c":0,"v":26}
  • {"r":2,"c":2,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 6] → [10, 2, 4] → [_, _, _, 3]

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Answer: Row4[1]=9, Row4[3]=1, Row4[2]=1, Row1[1]=18

SubType
number-pyramid
Difficulty
medium
Levels
  • [18]
  • [12,6]
  • [10,2,4]
  • [9,1,1,3]
Base
  • 9
  • 1
  • 1
  • 3
TopValue
18
HiddenCells
  • {"r":3,"c":0,"v":9}
  • {"r":3,"c":2,"v":1}
  • {"r":3,"c":1,"v":1}
  • {"r":0,"c":0,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [21, 14] → [14, 7, 7] → [_, _, 2, _]

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Answer: Row4[2]=5, Row1[1]=35, Row4[4]=5, Row4[1]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [35]
  • [21,14]
  • [14,7,7]
  • [9,5,2,5]
Base
  • 9
  • 5
  • 2
  • 5
TopValue
35
HiddenCells
  • {"r":3,"c":1,"v":5}
  • {"r":0,"c":0,"v":35}
  • {"r":3,"c":3,"v":5}
  • {"r":3,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [46] → [_, 26] → [_, 13, 13] → [_, 4, 9, _]

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Answer: Row3[1]=7, Row4[4]=4, Row4[1]=3, Row2[1]=20

SubType
number-pyramid
Difficulty
medium
Levels
  • [46]
  • [20,26]
  • [7,13,13]
  • [3,4,9,4]
Base
  • 3
  • 4
  • 9
  • 4
TopValue
46
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":3,"c":3,"v":4}
  • {"r":3,"c":0,"v":3}
  • {"r":1,"c":0,"v":20}