medium Set 45 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [9, 18] → [2, _, _] → [_, 1, _, 5]

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Answer: Row4[1]=1, Row3[2]=7, Row3[3]=11, Row4[3]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [27]
  • [9,18]
  • [2,7,11]
  • [1,1,6,5]
Base
  • 1
  • 1
  • 6
  • 5
TopValue
27
HiddenCells
  • {"r":3,"c":0,"v":1}
  • {"r":2,"c":1,"v":7}
  • {"r":2,"c":2,"v":11}
  • {"r":3,"c":2,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [42] → [18, _] → [7, _, 13] → [6, _, 10, _]

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Answer: Row4[4]=3, Row3[2]=11, Row2[2]=24, Row4[2]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [18,24]
  • [7,11,13]
  • [6,1,10,3]
Base
  • 6
  • 1
  • 10
  • 3
TopValue
42
HiddenCells
  • {"r":3,"c":3,"v":3}
  • {"r":2,"c":1,"v":11}
  • {"r":1,"c":1,"v":24}
  • {"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): [47] → [_, 19] → [17, _, 8] → [_, _, 3, 5]

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Answer: Row4[1]=9, Row3[2]=11, Row4[2]=8, Row2[1]=28

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [28,19]
  • [17,11,8]
  • [9,8,3,5]
Base
  • 9
  • 8
  • 3
  • 5
TopValue
47
HiddenCells
  • {"r":3,"c":0,"v":9}
  • {"r":2,"c":1,"v":11}
  • {"r":3,"c":1,"v":8}
  • {"r":1,"c":0,"v":28}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [69] → [_, 32] → [_, _, 15] → [_, 10, 7, 8]

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Answer: Row3[1]=20, Row3[2]=17, Row4[1]=10, Row2[1]=37

SubType
number-pyramid
Difficulty
medium
Levels
  • [69]
  • [37,32]
  • [20,17,15]
  • [10,10,7,8]
Base
  • 10
  • 10
  • 7
  • 8
TopValue
69
HiddenCells
  • {"r":2,"c":0,"v":20}
  • {"r":2,"c":1,"v":17}
  • {"r":3,"c":0,"v":10}
  • {"r":1,"c":0,"v":37}