medium Set 74 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [50] → [27, _] → [_, 15, 8] → [_, 8, _, 1]

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Answer: Row4[1]=4, Row2[2]=23, Row4[3]=7, Row3[1]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [50]
  • [27,23]
  • [12,15,8]
  • [4,8,7,1]
Base
  • 4
  • 8
  • 7
  • 1
TopValue
50
HiddenCells
  • {"r":3,"c":0,"v":4}
  • {"r":1,"c":1,"v":23}
  • {"r":3,"c":2,"v":7}
  • {"r":2,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [33] → [21, 12] → [12, 9, _] → [_, _, _, 2]

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Answer: Row3[3]=3, Row4[1]=4, Row4[2]=8, Row4[3]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [33]
  • [21,12]
  • [12,9,3]
  • [4,8,1,2]
Base
  • 4
  • 8
  • 1
  • 2
TopValue
33
HiddenCells
  • {"r":2,"c":2,"v":3}
  • {"r":3,"c":0,"v":4}
  • {"r":3,"c":1,"v":8}
  • {"r":3,"c":2,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 30] → [_, _, 12] → [10, 8, 10, 2]

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Answer: Row2[1]=36, Row3[2]=18, Row1[1]=66, Row3[1]=18

SubType
number-pyramid
Difficulty
medium
Levels
  • [66]
  • [36,30]
  • [18,18,12]
  • [10,8,10,2]
Base
  • 10
  • 8
  • 10
  • 2
TopValue
66
HiddenCells
  • {"r":1,"c":0,"v":36}
  • {"r":2,"c":1,"v":18}
  • {"r":0,"c":0,"v":66}
  • {"r":2,"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): [53] → [_, _] → [_, 12, 12] → [10, 7, _, 7]

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Answer: Row3[1]=17, Row4[3]=5, Row2[1]=29, Row2[2]=24

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [29,24]
  • [17,12,12]
  • [10,7,5,7]
Base
  • 10
  • 7
  • 5
  • 7
TopValue
53
HiddenCells
  • {"r":2,"c":0,"v":17}
  • {"r":3,"c":2,"v":5}
  • {"r":1,"c":0,"v":29}
  • {"r":1,"c":1,"v":24}