medium Set 74 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [35] → [18, _] → [10, 8, _] → [_, 3, _, 4]

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Answer: Row4[1]=7, Row3[3]=9, Row2[2]=17, Row4[3]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [35]
  • [18,17]
  • [10,8,9]
  • [7,3,5,4]
Base
  • 7
  • 3
  • 5
  • 4
TopValue
35
HiddenCells
  • {"r":3,"c":0,"v":7}
  • {"r":2,"c":2,"v":9}
  • {"r":1,"c":1,"v":17}
  • {"r":3,"c":2,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [15, _, 6] → [5, 10, 2, 4]

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Answer: Row2[1]=27, Row2[2]=18, Row1[1]=45, Row3[2]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [45]
  • [27,18]
  • [15,12,6]
  • [5,10,2,4]
Base
  • 5
  • 10
  • 2
  • 4
TopValue
45
HiddenCells
  • {"r":1,"c":0,"v":27}
  • {"r":1,"c":1,"v":18}
  • {"r":0,"c":0,"v":45}
  • {"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): [_] → [_, _] → [14, 12, 13] → [8, 6, _, 7]

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Answer: Row4[3]=6, Row1[1]=51, Row2[1]=26, Row2[2]=25

SubType
number-pyramid
Difficulty
medium
Levels
  • [51]
  • [26,25]
  • [14,12,13]
  • [8,6,6,7]
Base
  • 8
  • 6
  • 6
  • 7
TopValue
51
HiddenCells
  • {"r":3,"c":2,"v":6}
  • {"r":0,"c":0,"v":51}
  • {"r":1,"c":0,"v":26}
  • {"r":1,"c":1,"v":25}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [34] → [20, 14] → [_, _, 6] → [7, _, 3, _]

Show answer

Answer: Row3[1]=12, Row3[2]=8, Row4[4]=3, Row4[2]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [34]
  • [20,14]
  • [12,8,6]
  • [7,5,3,3]
Base
  • 7
  • 5
  • 3
  • 3
TopValue
34
HiddenCells
  • {"r":2,"c":0,"v":12}
  • {"r":2,"c":1,"v":8}
  • {"r":3,"c":3,"v":3}
  • {"r":3,"c":1,"v":5}