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): [_] → [_, 24] → [5, 10, _] → [4, _, 9, 5]

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Answer: Row3[3]=14, Row2[1]=15, Row4[2]=1, Row1[1]=39

SubType
number-pyramid
Difficulty
medium
Levels
  • [39]
  • [15,24]
  • [5,10,14]
  • [4,1,9,5]
Base
  • 4
  • 1
  • 9
  • 5
TopValue
39
HiddenCells
  • {"r":2,"c":2,"v":14}
  • {"r":1,"c":0,"v":15}
  • {"r":3,"c":1,"v":1}
  • {"r":0,"c":0,"v":39}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 31] → [11, 16, 15] → [_, 10, 6, _]

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Answer: Row4[4]=9, Row2[1]=27, Row1[1]=58, Row4[1]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [58]
  • [27,31]
  • [11,16,15]
  • [1,10,6,9]
Base
  • 1
  • 10
  • 6
  • 9
TopValue
58
HiddenCells
  • {"r":3,"c":3,"v":9}
  • {"r":1,"c":0,"v":27}
  • {"r":0,"c":0,"v":58}
  • {"r":3,"c":0,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [22, _] → [8, _, _] → [1, 7, 7, 5]

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Answer: Row1[1]=48, Row3[2]=14, Row3[3]=12, Row2[2]=26

SubType
number-pyramid
Difficulty
medium
Levels
  • [48]
  • [22,26]
  • [8,14,12]
  • [1,7,7,5]
Base
  • 1
  • 7
  • 7
  • 5
TopValue
48
HiddenCells
  • {"r":0,"c":0,"v":48}
  • {"r":2,"c":1,"v":14}
  • {"r":2,"c":2,"v":12}
  • {"r":1,"c":1,"v":26}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [43] → [_, 18] → [12, _, 5] → [_, _, 4, 1]

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Answer: Row3[2]=13, Row4[2]=9, Row4[1]=3, Row2[1]=25

SubType
number-pyramid
Difficulty
medium
Levels
  • [43]
  • [25,18]
  • [12,13,5]
  • [3,9,4,1]
Base
  • 3
  • 9
  • 4
  • 1
TopValue
43
HiddenCells
  • {"r":2,"c":1,"v":13}
  • {"r":3,"c":1,"v":9}
  • {"r":3,"c":0,"v":3}
  • {"r":1,"c":0,"v":25}