medium Set 81 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [17, _] → [7, 10, 15] → [3, _, 6, _]

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Answer: Row1[1]=42, Row2[2]=25, Row4[4]=9, Row4[2]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [17,25]
  • [7,10,15]
  • [3,4,6,9]
Base
  • 3
  • 4
  • 6
  • 9
TopValue
42
HiddenCells
  • {"r":0,"c":0,"v":42}
  • {"r":1,"c":1,"v":25}
  • {"r":3,"c":3,"v":9}
  • {"r":3,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [48] → [24, 24] → [10, 14, _] → [_, 8, _, _]

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Answer: Row4[4]=4, Row3[3]=10, Row4[1]=2, Row4[3]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [48]
  • [24,24]
  • [10,14,10]
  • [2,8,6,4]
Base
  • 2
  • 8
  • 6
  • 4
TopValue
48
HiddenCells
  • {"r":3,"c":3,"v":4}
  • {"r":2,"c":2,"v":10}
  • {"r":3,"c":0,"v":2}
  • {"r":3,"c":2,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [61] → [_, 28] → [_, 15, 13] → [_, 8, _, 6]

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Answer: Row2[1]=33, Row4[1]=10, Row3[1]=18, Row4[3]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [61]
  • [33,28]
  • [18,15,13]
  • [10,8,7,6]
Base
  • 10
  • 8
  • 7
  • 6
TopValue
61
HiddenCells
  • {"r":1,"c":0,"v":33}
  • {"r":3,"c":0,"v":10}
  • {"r":2,"c":0,"v":18}
  • {"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): [43] → [17, 26] → [_, _, _] → [_, 3, 7, 9]

Show answer

Answer: Row3[3]=16, Row3[1]=7, Row3[2]=10, Row4[1]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [43]
  • [17,26]
  • [7,10,16]
  • [4,3,7,9]
Base
  • 4
  • 3
  • 7
  • 9
TopValue
43
HiddenCells
  • {"r":2,"c":2,"v":16}
  • {"r":2,"c":0,"v":7}
  • {"r":2,"c":1,"v":10}
  • {"r":3,"c":0,"v":4}