medium Set 79 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 27] → [13, 18, 9] → [3, 10, _, _]

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Answer: Row2[1]=31, Row1[1]=58, Row4[3]=8, Row4[4]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [58]
  • [31,27]
  • [13,18,9]
  • [3,10,8,1]
Base
  • 3
  • 10
  • 8
  • 1
TopValue
58
HiddenCells
  • {"r":1,"c":0,"v":31}
  • {"r":0,"c":0,"v":58}
  • {"r":3,"c":2,"v":8}
  • {"r":3,"c":3,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [11, 16, 12] → [4, _, 9, 3]

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Answer: Row4[2]=7, Row2[1]=27, Row2[2]=28, Row1[1]=55

SubType
number-pyramid
Difficulty
medium
Levels
  • [55]
  • [27,28]
  • [11,16,12]
  • [4,7,9,3]
Base
  • 4
  • 7
  • 9
  • 3
TopValue
55
HiddenCells
  • {"r":3,"c":1,"v":7}
  • {"r":1,"c":0,"v":27}
  • {"r":1,"c":1,"v":28}
  • {"r":0,"c":0,"v":55}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [29, 23] → [16, _, _] → [10, 6, _, 3]

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Answer: Row1[1]=52, Row4[3]=7, Row3[2]=13, Row3[3]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [52]
  • [29,23]
  • [16,13,10]
  • [10,6,7,3]
Base
  • 10
  • 6
  • 7
  • 3
TopValue
52
HiddenCells
  • {"r":0,"c":0,"v":52}
  • {"r":3,"c":2,"v":7}
  • {"r":2,"c":1,"v":13}
  • {"r":2,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [45] → [20, _] → [10, 10, _] → [_, 1, 9, _]

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Answer: Row4[4]=6, Row4[1]=9, Row3[3]=15, Row2[2]=25

SubType
number-pyramid
Difficulty
medium
Levels
  • [45]
  • [20,25]
  • [10,10,15]
  • [9,1,9,6]
Base
  • 9
  • 1
  • 9
  • 6
TopValue
45
HiddenCells
  • {"r":3,"c":3,"v":6}
  • {"r":3,"c":0,"v":9}
  • {"r":2,"c":2,"v":15}
  • {"r":1,"c":1,"v":25}