medium Set 49 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [23, 32] → [8, _, _] → [1, 7, _, 9]

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Answer: Row1[1]=55, Row3[2]=15, Row3[3]=17, Row4[3]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [55]
  • [23,32]
  • [8,15,17]
  • [1,7,8,9]
Base
  • 1
  • 7
  • 8
  • 9
TopValue
55
HiddenCells
  • {"r":0,"c":0,"v":55}
  • {"r":2,"c":1,"v":15}
  • {"r":2,"c":2,"v":17}
  • {"r":3,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [46] → [_, 27] → [6, _, _] → [2, _, 9, 5]

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Answer: Row4[2]=4, Row2[1]=19, Row3[3]=14, Row3[2]=13

SubType
number-pyramid
Difficulty
medium
Levels
  • [46]
  • [19,27]
  • [6,13,14]
  • [2,4,9,5]
Base
  • 2
  • 4
  • 9
  • 5
TopValue
46
HiddenCells
  • {"r":3,"c":1,"v":4}
  • {"r":1,"c":0,"v":19}
  • {"r":2,"c":2,"v":14}
  • {"r":2,"c":1,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [40] → [20, _] → [10, 10, _] → [_, 2, 8, _]

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Answer: Row4[4]=2, Row2[2]=20, Row3[3]=10, Row4[1]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [40]
  • [20,20]
  • [10,10,10]
  • [8,2,8,2]
Base
  • 8
  • 2
  • 8
  • 2
TopValue
40
HiddenCells
  • {"r":3,"c":3,"v":2}
  • {"r":1,"c":1,"v":20}
  • {"r":2,"c":2,"v":10}
  • {"r":3,"c":0,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [40] → [21, _] → [_, 8, _] → [9, _, 4, 7]

Show answer

Answer: Row3[3]=11, Row4[2]=4, Row2[2]=19, Row3[1]=13

SubType
number-pyramid
Difficulty
medium
Levels
  • [40]
  • [21,19]
  • [13,8,11]
  • [9,4,4,7]
Base
  • 9
  • 4
  • 4
  • 7
TopValue
40
HiddenCells
  • {"r":2,"c":2,"v":11}
  • {"r":3,"c":1,"v":4}
  • {"r":1,"c":1,"v":19}
  • {"r":2,"c":0,"v":13}