expert Set 83 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [12] → [9, 3] → [7, _, _]

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Answer: Row3[3]=1, Row3[2]=2

SubType
number-pyramid
Difficulty
expert
Levels
  • [12]
  • [9,3]
  • [7,2,1]
Base
  • 7
  • 2
  • 1
TopValue
12
HiddenCells
  • {"r":2,"c":2,"v":1}
  • {"r":2,"c":1,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [8, 3] → [6, _, 1]

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Answer: Row3[2]=2, Row1[1]=11

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [8, 10] → [_, _, 9]

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Answer: Row3[2]=1, Row3[1]=7

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [9, _] → [2, 7, 6]

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Answer: Row1[1]=22, Row2[2]=13

SubType
number-pyramid
Difficulty
expert
Levels
  • [22]
  • [9,13]
  • [2,7,6]
Base
  • 2
  • 7
  • 6
TopValue
22
HiddenCells
  • {"r":0,"c":0,"v":22}
  • {"r":1,"c":1,"v":13}