medium Set 89 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [26, _] → [16, _, _] → [8, 8, 2, 8]

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Answer: Row3[3]=10, Row2[2]=20, Row3[2]=10, Row1[1]=46

SubType
number-pyramid
Difficulty
medium
Levels
  • [46]
  • [26,20]
  • [16,10,10]
  • [8,8,2,8]
Base
  • 8
  • 8
  • 2
  • 8
TopValue
46
HiddenCells
  • {"r":2,"c":2,"v":10}
  • {"r":1,"c":1,"v":20}
  • {"r":2,"c":1,"v":10}
  • {"r":0,"c":0,"v":46}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [41] → [_, 19] → [_, 9, 10] → [_, 3, _, 4]

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Answer: Row4[3]=6, Row3[1]=13, Row2[1]=22, Row4[1]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [41]
  • [22,19]
  • [13,9,10]
  • [10,3,6,4]
Base
  • 10
  • 3
  • 6
  • 4
TopValue
41
HiddenCells
  • {"r":3,"c":2,"v":6}
  • {"r":2,"c":0,"v":13}
  • {"r":1,"c":0,"v":22}
  • {"r":3,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [47] → [_, 24] → [_, 11, _] → [_, 4, 7, 6]

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Answer: Row3[1]=12, Row3[3]=13, Row4[1]=8, Row2[1]=23

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [23,24]
  • [12,11,13]
  • [8,4,7,6]
Base
  • 8
  • 4
  • 7
  • 6
TopValue
47
HiddenCells
  • {"r":2,"c":0,"v":12}
  • {"r":2,"c":2,"v":13}
  • {"r":3,"c":0,"v":8}
  • {"r":1,"c":0,"v":23}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [53] → [31, 22] → [_, _, _] → [_, 9, 3, 7]

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Answer: Row4[1]=10, Row3[3]=10, Row3[1]=19, Row3[2]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [31,22]
  • [19,12,10]
  • [10,9,3,7]
Base
  • 10
  • 9
  • 3
  • 7
TopValue
53
HiddenCells
  • {"r":3,"c":0,"v":10}
  • {"r":2,"c":2,"v":10}
  • {"r":2,"c":0,"v":19}
  • {"r":2,"c":1,"v":12}