medium Set 70 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 9] → [_, 3, 6] → [2, 1, _, 4]

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Answer: Row4[3]=2, Row1[1]=15, Row2[1]=6, Row3[1]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [15]
  • [6,9]
  • [3,3,6]
  • [2,1,2,4]
Base
  • 2
  • 1
  • 2
  • 4
TopValue
15
HiddenCells
  • {"r":3,"c":2,"v":2}
  • {"r":0,"c":0,"v":15}
  • {"r":1,"c":0,"v":6}
  • {"r":2,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 17] → [_, 9, 8] → [4, _, 2, 6]

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Answer: Row1[1]=37, Row3[1]=11, Row2[1]=20, Row4[2]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [37]
  • [20,17]
  • [11,9,8]
  • [4,7,2,6]
Base
  • 4
  • 7
  • 2
  • 6
TopValue
37
HiddenCells
  • {"r":0,"c":0,"v":37}
  • {"r":2,"c":0,"v":11}
  • {"r":1,"c":0,"v":20}
  • {"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): [_] → [30, _] → [_, _, 8] → [7, 10, 3, 5]

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Answer: Row2[2]=21, Row3[2]=13, Row3[1]=17, Row1[1]=51

SubType
number-pyramid
Difficulty
medium
Levels
  • [51]
  • [30,21]
  • [17,13,8]
  • [7,10,3,5]
Base
  • 7
  • 10
  • 3
  • 5
TopValue
51
HiddenCells
  • {"r":1,"c":1,"v":21}
  • {"r":2,"c":1,"v":13}
  • {"r":2,"c":0,"v":17}
  • {"r":0,"c":0,"v":51}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, 8] → [10, 5, 3] → [_, _, 2, _]

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Answer: Row4[1]=7, Row4[4]=1, Row1[1]=23, Row4[2]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [23]
  • [15,8]
  • [10,5,3]
  • [7,3,2,1]
Base
  • 7
  • 3
  • 2
  • 1
TopValue
23
HiddenCells
  • {"r":3,"c":0,"v":7}
  • {"r":3,"c":3,"v":1}
  • {"r":0,"c":0,"v":23}
  • {"r":3,"c":1,"v":3}