medium Set 39 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [_, 10] → [_, 5, 5] → [3, 4, _, _]

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Answer: Row3[1]=7, Row4[3]=1, Row4[4]=4, 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":2,"c":0,"v":7}
  • {"r":3,"c":2,"v":1}
  • {"r":3,"c":3,"v":4}
  • {"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): [42] → [22, _] → [12, 10, 10] → [_, _, _, 3]

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Answer: Row4[1]=9, Row2[2]=20, Row4[2]=3, Row4[3]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [22,20]
  • [12,10,10]
  • [9,3,7,3]
Base
  • 9
  • 3
  • 7
  • 3
TopValue
42
HiddenCells
  • {"r":3,"c":0,"v":9}
  • {"r":1,"c":1,"v":20}
  • {"r":3,"c":1,"v":3}
  • {"r":3,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [45] → [_, 24] → [9, 12, 12] → [_, _, _, 7]

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Answer: Row4[2]=7, Row2[1]=21, Row4[3]=5, Row4[1]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [45]
  • [21,24]
  • [9,12,12]
  • [2,7,5,7]
Base
  • 2
  • 7
  • 5
  • 7
TopValue
45
HiddenCells
  • {"r":3,"c":1,"v":7}
  • {"r":1,"c":0,"v":21}
  • {"r":3,"c":2,"v":5}
  • {"r":3,"c":0,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [58] → [30, 28] → [_, 15, 13] → [_, 5, _, _]

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Answer: Row4[1]=10, Row3[1]=15, Row4[4]=3, Row4[3]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [58]
  • [30,28]
  • [15,15,13]
  • [10,5,10,3]
Base
  • 10
  • 5
  • 10
  • 3
TopValue
58
HiddenCells
  • {"r":3,"c":0,"v":10}
  • {"r":2,"c":0,"v":15}
  • {"r":3,"c":3,"v":3}
  • {"r":3,"c":2,"v":10}