medium Set 91 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, _] → [7, 3, 3] → [6, _, _, 1]

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Answer: Row1[1]=16, Row2[2]=6, Row4[3]=2, Row4[2]=1

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [49] → [_, _] → [15, 11, 12] → [_, 6, 5, _]

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Answer: Row4[4]=7, Row4[1]=9, Row2[2]=23, Row2[1]=26

SubType
number-pyramid
Difficulty
medium
Levels
  • [49]
  • [26,23]
  • [15,11,12]
  • [9,6,5,7]
Base
  • 9
  • 6
  • 5
  • 7
TopValue
49
HiddenCells
  • {"r":3,"c":3,"v":7}
  • {"r":3,"c":0,"v":9}
  • {"r":1,"c":1,"v":23}
  • {"r":1,"c":0,"v":26}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [26, _] → [11, _, 9] → [4, 7, _, 1]

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Answer: Row4[3]=8, Row1[1]=50, Row2[2]=24, Row3[2]=15

SubType
number-pyramid
Difficulty
medium
Levels
  • [50]
  • [26,24]
  • [11,15,9]
  • [4,7,8,1]
Base
  • 4
  • 7
  • 8
  • 1
TopValue
50
HiddenCells
  • {"r":3,"c":2,"v":8}
  • {"r":0,"c":0,"v":50}
  • {"r":1,"c":1,"v":24}
  • {"r":2,"c":1,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [19, _] → [9, 10, 15] → [_, _, 8, 7]

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Answer: Row4[1]=7, Row4[2]=2, Row2[2]=25, Row1[1]=44

SubType
number-pyramid
Difficulty
medium
Levels
  • [44]
  • [19,25]
  • [9,10,15]
  • [7,2,8,7]
Base
  • 7
  • 2
  • 8
  • 7
TopValue
44
HiddenCells
  • {"r":3,"c":0,"v":7}
  • {"r":3,"c":1,"v":2}
  • {"r":1,"c":1,"v":25}
  • {"r":0,"c":0,"v":44}