medium Set 77 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [42] → [_, 19] → [11, _, 7] → [_, 8, 4, _]

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Answer: Row4[4]=3, Row4[1]=3, Row2[1]=23, Row3[2]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [23,19]
  • [11,12,7]
  • [3,8,4,3]
Base
  • 3
  • 8
  • 4
  • 3
TopValue
42
HiddenCells
  • {"r":3,"c":3,"v":3}
  • {"r":3,"c":0,"v":3}
  • {"r":1,"c":0,"v":23}
  • {"r":2,"c":1,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [43] → [18, _] → [_, _, 13] → [1, 5, 7, _]

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Answer: Row2[2]=25, Row3[2]=12, Row3[1]=6, Row4[4]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [43]
  • [18,25]
  • [6,12,13]
  • [1,5,7,6]
Base
  • 1
  • 5
  • 7
  • 6
TopValue
43
HiddenCells
  • {"r":1,"c":1,"v":25}
  • {"r":2,"c":1,"v":12}
  • {"r":2,"c":0,"v":6}
  • {"r":3,"c":3,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [17, 19] → [9, 8, 11] → [3, _, _, _]

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Answer: Row1[1]=36, Row4[3]=2, Row4[4]=9, Row4[2]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [36]
  • [17,19]
  • [9,8,11]
  • [3,6,2,9]
Base
  • 3
  • 6
  • 2
  • 9
TopValue
36
HiddenCells
  • {"r":0,"c":0,"v":36}
  • {"r":3,"c":2,"v":2}
  • {"r":3,"c":3,"v":9}
  • {"r":3,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [37] → [19, _] → [_, 7, _] → [9, _, 4, 7]

Show answer

Answer: Row3[3]=11, Row3[1]=12, Row2[2]=18, Row4[2]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [37]
  • [19,18]
  • [12,7,11]
  • [9,3,4,7]
Base
  • 9
  • 3
  • 4
  • 7
TopValue
37
HiddenCells
  • {"r":2,"c":2,"v":11}
  • {"r":2,"c":0,"v":12}
  • {"r":1,"c":1,"v":18}
  • {"r":3,"c":1,"v":3}