medium Set 97 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [51] → [_, _] → [13, 12, _] → [_, 3, 9, 5]

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Answer: Row2[1]=25, Row4[1]=10, Row2[2]=26, Row3[3]=14

SubType
number-pyramid
Difficulty
medium
Levels
  • [51]
  • [25,26]
  • [13,12,14]
  • [10,3,9,5]
Base
  • 10
  • 3
  • 9
  • 5
TopValue
51
HiddenCells
  • {"r":1,"c":0,"v":25}
  • {"r":3,"c":0,"v":10}
  • {"r":1,"c":1,"v":26}
  • {"r":2,"c":2,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [56] → [30, _] → [_, _, 9] → [4, 9, 8, _]

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Answer: Row2[2]=26, Row3[2]=17, Row4[4]=1, Row3[1]=13

SubType
number-pyramid
Difficulty
medium
Levels
  • [56]
  • [30,26]
  • [13,17,9]
  • [4,9,8,1]
Base
  • 4
  • 9
  • 8
  • 1
TopValue
56
HiddenCells
  • {"r":1,"c":1,"v":26}
  • {"r":2,"c":1,"v":17}
  • {"r":3,"c":3,"v":1}
  • {"r":2,"c":0,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [13, _] → [6, _, _] → [1, _, 2, 1]

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Answer: Row3[2]=7, Row2[2]=10, Row4[2]=5, Row3[3]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [23]
  • [13,10]
  • [6,7,3]
  • [1,5,2,1]
Base
  • 1
  • 5
  • 2
  • 1
TopValue
23
HiddenCells
  • {"r":2,"c":1,"v":7}
  • {"r":1,"c":1,"v":10}
  • {"r":3,"c":1,"v":5}
  • {"r":2,"c":2,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [13, 14] → [10, 3, _] → [8, 2, _, _]

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Answer: Row4[3]=1, Row4[4]=10, Row1[1]=27, Row3[3]=11

SubType
number-pyramid
Difficulty
medium
Levels
  • [27]
  • [13,14]
  • [10,3,11]
  • [8,2,1,10]
Base
  • 8
  • 2
  • 1
  • 10
TopValue
27
HiddenCells
  • {"r":3,"c":2,"v":1}
  • {"r":3,"c":3,"v":10}
  • {"r":0,"c":0,"v":27}
  • {"r":2,"c":2,"v":11}