medium Set 98 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [4, 9, 15] → [3, 1, 8, _]

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Answer: Row1[1]=37, Row2[1]=13, Row2[2]=24, Row4[4]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [37]
  • [13,24]
  • [4,9,15]
  • [3,1,8,7]
Base
  • 3
  • 1
  • 8
  • 7
TopValue
37
HiddenCells
  • {"r":0,"c":0,"v":37}
  • {"r":1,"c":0,"v":13}
  • {"r":1,"c":1,"v":24}
  • {"r":3,"c":3,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [_, _] → [_, 5, 5] → [3, 4, 1, _]

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Answer: Row4[4]=4, Row2[2]=10, Row3[1]=7, Row2[1]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [22]
  • [12,10]
  • [7,5,5]
  • [3,4,1,4]
Base
  • 3
  • 4
  • 1
  • 4
TopValue
22
HiddenCells
  • {"r":3,"c":3,"v":4}
  • {"r":1,"c":1,"v":10}
  • {"r":2,"c":0,"v":7}
  • {"r":1,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 18] → [_, 6, 12] → [2, 1, 5, _]

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Answer: Row1[1]=27, Row4[4]=7, Row3[1]=3, Row2[1]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [27]
  • [9,18]
  • [3,6,12]
  • [2,1,5,7]
Base
  • 2
  • 1
  • 5
  • 7
TopValue
27
HiddenCells
  • {"r":0,"c":0,"v":27}
  • {"r":3,"c":3,"v":7}
  • {"r":2,"c":0,"v":3}
  • {"r":1,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [_, 14] → [10, 7, _] → [5, 5, _, _]

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Answer: Row3[3]=7, Row2[1]=17, Row4[3]=2, Row4[4]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [31]
  • [17,14]
  • [10,7,7]
  • [5,5,2,5]
Base
  • 5
  • 5
  • 2
  • 5
TopValue
31
HiddenCells
  • {"r":2,"c":2,"v":7}
  • {"r":1,"c":0,"v":17}
  • {"r":3,"c":2,"v":2}
  • {"r":3,"c":3,"v":5}