medium Set 80 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [70] → [37, _] → [20, 17, 16] → [_, _, _, 9]

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Answer: Row4[1]=10, Row2[2]=33, Row4[2]=10, Row4[3]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [70]
  • [37,33]
  • [20,17,16]
  • [10,10,7,9]
Base
  • 10
  • 10
  • 7
  • 9
TopValue
70
HiddenCells
  • {"r":3,"c":0,"v":10}
  • {"r":1,"c":1,"v":33}
  • {"r":3,"c":1,"v":10}
  • {"r":3,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [48] → [_, 30] → [5, _, 17] → [_, 4, 9, _]

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Answer: Row3[2]=13, Row4[1]=1, Row4[4]=8, Row2[1]=18

SubType
number-pyramid
Difficulty
medium
Levels
  • [48]
  • [18,30]
  • [5,13,17]
  • [1,4,9,8]
Base
  • 1
  • 4
  • 9
  • 8
TopValue
48
HiddenCells
  • {"r":2,"c":1,"v":13}
  • {"r":3,"c":0,"v":1}
  • {"r":3,"c":3,"v":8}
  • {"r":1,"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): [35] → [21, 14] → [13, _, 6] → [_, _, 1, _]

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Answer: Row4[4]=5, Row3[2]=8, Row4[1]=6, Row4[2]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [35]
  • [21,14]
  • [13,8,6]
  • [6,7,1,5]
Base
  • 6
  • 7
  • 1
  • 5
TopValue
35
HiddenCells
  • {"r":3,"c":3,"v":5}
  • {"r":2,"c":1,"v":8}
  • {"r":3,"c":0,"v":6}
  • {"r":3,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [13, _] → [8, 5, 3] → [_, _, 2, 1]

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Answer: Row4[2]=3, Row4[1]=5, Row2[2]=8, Row1[1]=21

SubType
number-pyramid
Difficulty
medium
Levels
  • [21]
  • [13,8]
  • [8,5,3]
  • [5,3,2,1]
Base
  • 5
  • 3
  • 2
  • 1
TopValue
21
HiddenCells
  • {"r":3,"c":1,"v":3}
  • {"r":3,"c":0,"v":5}
  • {"r":1,"c":1,"v":8}
  • {"r":0,"c":0,"v":21}