medium Set 25 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 25] → [16, 12, 13] → [7, 9, _, _]

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Answer: Row1[1]=53, Row4[3]=3, Row2[1]=28, Row4[4]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [28,25]
  • [16,12,13]
  • [7,9,3,10]
Base
  • 7
  • 9
  • 3
  • 10
TopValue
53
HiddenCells
  • {"r":0,"c":0,"v":53}
  • {"r":3,"c":2,"v":3}
  • {"r":1,"c":0,"v":28}
  • {"r":3,"c":3,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [26, _] → [13, 13, 11] → [_, 7, 6, _]

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Answer: Row4[1]=6, Row4[4]=5, Row2[2]=24, Row1[1]=50

SubType
number-pyramid
Difficulty
medium
Levels
  • [50]
  • [26,24]
  • [13,13,11]
  • [6,7,6,5]
Base
  • 6
  • 7
  • 6
  • 5
TopValue
50
HiddenCells
  • {"r":3,"c":0,"v":6}
  • {"r":3,"c":3,"v":5}
  • {"r":1,"c":1,"v":24}
  • {"r":0,"c":0,"v":50}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [75] → [39, 36] → [_, _, _] → [10, 10, 9, _]

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Answer: Row3[1]=20, Row4[4]=8, Row3[3]=17, Row3[2]=19

SubType
number-pyramid
Difficulty
medium
Levels
  • [75]
  • [39,36]
  • [20,19,17]
  • [10,10,9,8]
Base
  • 10
  • 10
  • 9
  • 8
TopValue
75
HiddenCells
  • {"r":2,"c":0,"v":20}
  • {"r":3,"c":3,"v":8}
  • {"r":2,"c":2,"v":17}
  • {"r":2,"c":1,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, 11] → [_, _, 7] → [_, 1, 3, 4]

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Answer: Row3[1]=7, Row4[1]=6, Row1[1]=22, Row3[2]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [22]
  • [11,11]
  • [7,4,7]
  • [6,1,3,4]
Base
  • 6
  • 1
  • 3
  • 4
TopValue
22
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":3,"c":0,"v":6}
  • {"r":0,"c":0,"v":22}
  • {"r":2,"c":1,"v":4}