medium Set 34 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [17, _] → [_, 10, _] → [6, 1, 9, 9]

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Answer: Row2[2]=28, Row3[1]=7, Row3[3]=18, Row1[1]=45

SubType
number-pyramid
Difficulty
medium
Levels
  • [45]
  • [17,28]
  • [7,10,18]
  • [6,1,9,9]
Base
  • 6
  • 1
  • 9
  • 9
TopValue
45
HiddenCells
  • {"r":1,"c":1,"v":28}
  • {"r":2,"c":0,"v":7}
  • {"r":2,"c":2,"v":18}
  • {"r":0,"c":0,"v":45}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [61] → [31, _] → [_, _, 13] → [_, 10, 7, 6]

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Answer: Row2[2]=30, Row3[2]=17, Row4[1]=4, Row3[1]=14

SubType
number-pyramid
Difficulty
medium
Levels
  • [61]
  • [31,30]
  • [14,17,13]
  • [4,10,7,6]
Base
  • 4
  • 10
  • 7
  • 6
TopValue
61
HiddenCells
  • {"r":1,"c":1,"v":30}
  • {"r":2,"c":1,"v":17}
  • {"r":3,"c":0,"v":4}
  • {"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): [_] → [_, 16] → [_, _, 6] → [4, 9, 1, 5]

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Answer: Row2[1]=23, Row3[1]=13, Row1[1]=39, Row3[2]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [39]
  • [23,16]
  • [13,10,6]
  • [4,9,1,5]
Base
  • 4
  • 9
  • 1
  • 5
TopValue
39
HiddenCells
  • {"r":1,"c":0,"v":23}
  • {"r":2,"c":0,"v":13}
  • {"r":0,"c":0,"v":39}
  • {"r":2,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [61] → [28, _] → [_, 16, _] → [6, 6, 10, _]

Show answer

Answer: Row4[4]=7, Row3[1]=12, Row2[2]=33, Row3[3]=17

SubType
number-pyramid
Difficulty
medium
Levels
  • [61]
  • [28,33]
  • [12,16,17]
  • [6,6,10,7]
Base
  • 6
  • 6
  • 10
  • 7
TopValue
61
HiddenCells
  • {"r":3,"c":3,"v":7}
  • {"r":2,"c":0,"v":12}
  • {"r":1,"c":1,"v":33}
  • {"r":2,"c":2,"v":17}