medium Set 78 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [10, 18, 20] → [2, 8, _, 10]

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Answer: Row1[1]=66, Row2[2]=38, Row2[1]=28, Row4[3]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [66]
  • [28,38]
  • [10,18,20]
  • [2,8,10,10]
Base
  • 2
  • 8
  • 10
  • 10
TopValue
66
HiddenCells
  • {"r":0,"c":0,"v":66}
  • {"r":1,"c":1,"v":38}
  • {"r":1,"c":0,"v":28}
  • {"r":3,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [49] → [28, _] → [_, _, 11] → [10, 8, _, 9]

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Answer: Row3[2]=10, Row2[2]=21, Row3[1]=18, Row4[3]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [49]
  • [28,21]
  • [18,10,11]
  • [10,8,2,9]
Base
  • 10
  • 8
  • 2
  • 9
TopValue
49
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":1,"c":1,"v":21}
  • {"r":2,"c":0,"v":18}
  • {"r":3,"c":2,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [25, _] → [11, _, _] → [5, 6, 8, 9]

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Answer: Row1[1]=56, Row3[2]=14, Row3[3]=17, Row2[2]=31

SubType
number-pyramid
Difficulty
medium
Levels
  • [56]
  • [25,31]
  • [11,14,17]
  • [5,6,8,9]
Base
  • 5
  • 6
  • 8
  • 9
TopValue
56
HiddenCells
  • {"r":0,"c":0,"v":56}
  • {"r":2,"c":1,"v":14}
  • {"r":2,"c":2,"v":17}
  • {"r":1,"c":1,"v":31}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [18, 26] → [7, _, 15] → [4, _, _, 7]

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Answer: Row1[1]=44, Row4[2]=3, Row4[3]=8, Row3[2]=11

SubType
number-pyramid
Difficulty
medium
Levels
  • [44]
  • [18,26]
  • [7,11,15]
  • [4,3,8,7]
Base
  • 4
  • 3
  • 8
  • 7
TopValue
44
HiddenCells
  • {"r":0,"c":0,"v":44}
  • {"r":3,"c":1,"v":3}
  • {"r":3,"c":2,"v":8}
  • {"r":2,"c":1,"v":11}