medium Set 80 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [59] → [_, _] → [13, _, _] → [4, 9, 9, 1]

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Answer: Row3[3]=10, Row2[2]=28, Row2[1]=31, Row3[2]=18

SubType
number-pyramid
Difficulty
medium
Levels
  • [59]
  • [31,28]
  • [13,18,10]
  • [4,9,9,1]
Base
  • 4
  • 9
  • 9
  • 1
TopValue
59
HiddenCells
  • {"r":2,"c":2,"v":10}
  • {"r":1,"c":1,"v":28}
  • {"r":1,"c":0,"v":31}
  • {"r":2,"c":1,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [58] → [28, _] → [_, 14, 16] → [_, 7, _, 9]

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Answer: Row2[2]=30, Row4[3]=7, Row4[1]=7, Row3[1]=14

SubType
number-pyramid
Difficulty
medium
Levels
  • [58]
  • [28,30]
  • [14,14,16]
  • [7,7,7,9]
Base
  • 7
  • 7
  • 7
  • 9
TopValue
58
HiddenCells
  • {"r":1,"c":1,"v":30}
  • {"r":3,"c":2,"v":7}
  • {"r":3,"c":0,"v":7}
  • {"r":2,"c":0,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [14, _] → [8, _, _] → [3, _, 1, 7]

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Answer: Row2[2]=14, Row3[3]=8, Row4[2]=5, Row3[2]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [28]
  • [14,14]
  • [8,6,8]
  • [3,5,1,7]
Base
  • 3
  • 5
  • 1
  • 7
TopValue
28
HiddenCells
  • {"r":1,"c":1,"v":14}
  • {"r":2,"c":2,"v":8}
  • {"r":3,"c":1,"v":5}
  • {"r":2,"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): [15] → [_, _] → [8, 2, 3] → [_, _, 1, 2]

Show answer

Answer: Row4[1]=7, Row2[2]=5, Row4[2]=1, Row2[1]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [15]
  • [10,5]
  • [8,2,3]
  • [7,1,1,2]
Base
  • 7
  • 1
  • 1
  • 2
TopValue
15
HiddenCells
  • {"r":3,"c":0,"v":7}
  • {"r":1,"c":1,"v":5}
  • {"r":3,"c":1,"v":1}
  • {"r":1,"c":0,"v":10}