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): [_] → [28, 21] → [_, 11, 10] → [_, 9, _, 8]

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Answer: Row3[1]=17, Row4[1]=8, Row4[3]=2, Row1[1]=49

SubType
number-pyramid
Difficulty
medium
Levels
  • [49]
  • [28,21]
  • [17,11,10]
  • [8,9,2,8]
Base
  • 8
  • 9
  • 2
  • 8
TopValue
49
HiddenCells
  • {"r":2,"c":0,"v":17}
  • {"r":3,"c":0,"v":8}
  • {"r":3,"c":2,"v":2}
  • {"r":0,"c":0,"v":49}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [11, _, 9] → [1, 10, 3, 6]

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Answer: Row3[2]=13, Row2[2]=22, Row2[1]=24, Row1[1]=46

SubType
number-pyramid
Difficulty
medium
Levels
  • [46]
  • [24,22]
  • [11,13,9]
  • [1,10,3,6]
Base
  • 1
  • 10
  • 3
  • 6
TopValue
46
HiddenCells
  • {"r":2,"c":1,"v":13}
  • {"r":1,"c":1,"v":22}
  • {"r":1,"c":0,"v":24}
  • {"r":0,"c":0,"v":46}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [66] → [33, _] → [17, _, _] → [_, 8, 8, 9]

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Answer: Row3[3]=17, Row3[2]=16, Row2[2]=33, Row4[1]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [66]
  • [33,33]
  • [17,16,17]
  • [9,8,8,9]
Base
  • 9
  • 8
  • 8
  • 9
TopValue
66
HiddenCells
  • {"r":2,"c":2,"v":17}
  • {"r":2,"c":1,"v":16}
  • {"r":1,"c":1,"v":33}
  • {"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): [55] → [_, 25] → [_, 14, 11] → [_, 10, _, 7]

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Answer: Row4[1]=6, Row3[1]=16, Row4[3]=4, Row2[1]=30

SubType
number-pyramid
Difficulty
medium
Levels
  • [55]
  • [30,25]
  • [16,14,11]
  • [6,10,4,7]
Base
  • 6
  • 10
  • 4
  • 7
TopValue
55
HiddenCells
  • {"r":3,"c":0,"v":6}
  • {"r":2,"c":0,"v":16}
  • {"r":3,"c":2,"v":4}
  • {"r":1,"c":0,"v":30}