expert Set 85 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [19, 11] → [_, 10, _]

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Answer: Row3[3]=1, Row3[1]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [30]
  • [19,11]
  • [9,10,1]
Base
  • 9
  • 10
  • 1
TopValue
30
HiddenCells
  • {"r":2,"c":2,"v":1}
  • {"r":2,"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): [17] → [9, _] → [_, 5, 3]

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Answer: Row3[1]=4, Row2[2]=8

SubType
number-pyramid
Difficulty
expert
Levels
  • [17]
  • [9,8]
  • [4,5,3]
Base
  • 4
  • 5
  • 3
TopValue
17
HiddenCells
  • {"r":2,"c":0,"v":4}
  • {"r":1,"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): [_] → [_, 11] → [7, 6, 5]

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Answer: Row2[1]=13, Row1[1]=24

SubType
number-pyramid
Difficulty
expert
Levels
  • [24]
  • [13,11]
  • [7,6,5]
Base
  • 7
  • 6
  • 5
TopValue
24
HiddenCells
  • {"r":1,"c":0,"v":13}
  • {"r":0,"c":0,"v":24}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [12, 19] → [_, _, 10]

Show answer

Answer: Row3[2]=9, Row3[1]=3

SubType
number-pyramid
Difficulty
expert
Levels
  • [31]
  • [12,19]
  • [3,9,10]
Base
  • 3
  • 9
  • 10
TopValue
31
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":2,"c":0,"v":3}