medium Set 53 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [7, 13] → [2, 5, _] → [1, _, _, _]

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

SubType
number-pyramid
Difficulty
medium
Levels
  • [20]
  • [7,13]
  • [2,5,8]
  • [1,1,4,4]
Base
  • 1
  • 1
  • 4
  • 4
TopValue
20
HiddenCells
  • {"r":3,"c":1,"v":1}
  • {"r":3,"c":2,"v":4}
  • {"r":3,"c":3,"v":4}
  • {"r":2,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [68] → [37, 31] → [_, _, _] → [10, 10, 7, _]

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Answer: Row3[2]=17, Row3[3]=14, Row4[4]=7, Row3[1]=20

SubType
number-pyramid
Difficulty
medium
Levels
  • [68]
  • [37,31]
  • [20,17,14]
  • [10,10,7,7]
Base
  • 10
  • 10
  • 7
  • 7
TopValue
68
HiddenCells
  • {"r":2,"c":1,"v":17}
  • {"r":2,"c":2,"v":14}
  • {"r":3,"c":3,"v":7}
  • {"r":2,"c":0,"v":20}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 10] → [_, 8, 2] → [10, 7, 1, _]

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Answer: Row4[4]=1, Row2[1]=25, Row3[1]=17, Row1[1]=35

SubType
number-pyramid
Difficulty
medium
Levels
  • [35]
  • [25,10]
  • [17,8,2]
  • [10,7,1,1]
Base
  • 10
  • 7
  • 1
  • 1
TopValue
35
HiddenCells
  • {"r":3,"c":3,"v":1}
  • {"r":1,"c":0,"v":25}
  • {"r":2,"c":0,"v":17}
  • {"r":0,"c":0,"v":35}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [26, _] → [_, 15, 16] → [_, 8, 7, 9]

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Answer: Row4[1]=3, Row3[1]=11, Row2[2]=31, Row1[1]=57

SubType
number-pyramid
Difficulty
medium
Levels
  • [57]
  • [26,31]
  • [11,15,16]
  • [3,8,7,9]
Base
  • 3
  • 8
  • 7
  • 9
TopValue
57
HiddenCells
  • {"r":3,"c":0,"v":3}
  • {"r":2,"c":0,"v":11}
  • {"r":1,"c":1,"v":31}
  • {"r":0,"c":0,"v":57}