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): [43] → [26, _] → [_, 11, 6] → [7, _, 3, _]

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Answer: Row4[4]=3, Row3[1]=15, Row2[2]=17, Row4[2]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [43]
  • [26,17]
  • [15,11,6]
  • [7,8,3,3]
Base
  • 7
  • 8
  • 3
  • 3
TopValue
43
HiddenCells
  • {"r":3,"c":3,"v":3}
  • {"r":2,"c":0,"v":15}
  • {"r":1,"c":1,"v":17}
  • {"r":3,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [58] → [23, _] → [8, _, 20] → [_, _, 10, 10]

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Answer: Row4[2]=5, Row3[2]=15, Row4[1]=3, Row2[2]=35

SubType
number-pyramid
Difficulty
medium
Levels
  • [58]
  • [23,35]
  • [8,15,20]
  • [3,5,10,10]
Base
  • 3
  • 5
  • 10
  • 10
TopValue
58
HiddenCells
  • {"r":3,"c":1,"v":5}
  • {"r":2,"c":1,"v":15}
  • {"r":3,"c":0,"v":3}
  • {"r":1,"c":1,"v":35}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [51] → [22, 29] → [_, 11, _] → [_, 2, 9, _]

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Answer: Row4[4]=9, Row3[1]=11, Row3[3]=18, Row4[1]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [51]
  • [22,29]
  • [11,11,18]
  • [9,2,9,9]
Base
  • 9
  • 2
  • 9
  • 9
TopValue
51
HiddenCells
  • {"r":3,"c":3,"v":9}
  • {"r":2,"c":0,"v":11}
  • {"r":2,"c":2,"v":18}
  • {"r":3,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [16] → [7, _] → [_, 4, _] → [1, 2, 2, _]

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Answer: Row3[3]=5, Row2[2]=9, Row4[4]=3, Row3[1]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [16]
  • [7,9]
  • [3,4,5]
  • [1,2,2,3]
Base
  • 1
  • 2
  • 2
  • 3
TopValue
16
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"r":1,"c":1,"v":9}
  • {"r":3,"c":3,"v":3}
  • {"r":2,"c":0,"v":3}