medium Set 77 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [49] → [_, 28] → [_, _, 15] → [_, 7, 6, 9]

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Answer: Row3[1]=8, Row4[1]=1, Row2[1]=21, Row3[2]=13

SubType
number-pyramid
Difficulty
medium
Levels
  • [49]
  • [21,28]
  • [8,13,15]
  • [1,7,6,9]
Base
  • 1
  • 7
  • 6
  • 9
TopValue
49
HiddenCells
  • {"r":2,"c":0,"v":8}
  • {"r":3,"c":0,"v":1}
  • {"r":1,"c":0,"v":21}
  • {"r":2,"c":1,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [41] → [21, _] → [_, 12, _] → [1, _, 4, 4]

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Answer: Row4[2]=8, Row2[2]=20, Row3[3]=8, Row3[1]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [41]
  • [21,20]
  • [9,12,8]
  • [1,8,4,4]
Base
  • 1
  • 8
  • 4
  • 4
TopValue
41
HiddenCells
  • {"r":3,"c":1,"v":8}
  • {"r":1,"c":1,"v":20}
  • {"r":2,"c":2,"v":8}
  • {"r":2,"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): [58] → [_, _] → [18, 15, 10] → [9, _, _, 4]

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Answer: Row4[3]=6, Row2[1]=33, Row4[2]=9, Row2[2]=25

SubType
number-pyramid
Difficulty
medium
Levels
  • [58]
  • [33,25]
  • [18,15,10]
  • [9,9,6,4]
Base
  • 9
  • 9
  • 6
  • 4
TopValue
58
HiddenCells
  • {"r":3,"c":2,"v":6}
  • {"r":1,"c":0,"v":33}
  • {"r":3,"c":1,"v":9}
  • {"r":1,"c":1,"v":25}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [26] → [11, 15] → [4, _, _] → [_, _, 4, 4]

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

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