expert Set 91 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [15, 15] → [_, 6, _]

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [30]
  • [15,15]
  • [9,6,9]
Base
  • 9
  • 6
  • 9
TopValue
30
HiddenCells
  • {"r":2,"c":0,"v":9}
  • {"r":2,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [13] → [7, 6] → [_, _, 3]

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Answer: Row3[1]=4, Row3[2]=3

SubType
number-pyramid
Difficulty
expert
Levels
  • [13]
  • [7,6]
  • [4,3,3]
Base
  • 4
  • 3
  • 3
TopValue
13
HiddenCells
  • {"r":2,"c":0,"v":4}
  • {"r":2,"c":1,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [14, _] → [10, 4, _]

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Answer: Row2[2]=14, Row3[3]=10

SubType
number-pyramid
Difficulty
expert
Levels
  • [28]
  • [14,14]
  • [10,4,10]
Base
  • 10
  • 4
  • 10
TopValue
28
HiddenCells
  • {"r":1,"c":1,"v":14}
  • {"r":2,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [_, 8] → [4, 5, _]

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Answer: Row3[3]=3, Row2[1]=9

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