expert Set 99 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [17, 13] → [10, _, _]

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Answer: Row3[2]=7, Row3[3]=6

SubType
number-pyramid
Difficulty
expert
Levels
  • [30]
  • [17,13]
  • [10,7,6]
Base
  • 10
  • 7
  • 6
TopValue
30
HiddenCells
  • {"r":2,"c":1,"v":7}
  • {"r":2,"c":2,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [12, _] → [7, 5, _]

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Answer: Row3[3]=3, Row2[2]=8

SubType
number-pyramid
Difficulty
expert
Levels
  • [20]
  • [12,8]
  • [7,5,3]
Base
  • 7
  • 5
  • 3
TopValue
20
HiddenCells
  • {"r":2,"c":2,"v":3}
  • {"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): [10] → [5, 5] → [3, _, _]

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [10]
  • [5,5]
  • [3,2,3]
Base
  • 3
  • 2
  • 3
TopValue
10
HiddenCells
  • {"r":2,"c":1,"v":2}
  • {"r":2,"c":2,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [12, _] → [10, 2, _]

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Answer: Row2[2]=7, Row3[3]=5

SubType
number-pyramid
Difficulty
expert
Levels
  • [19]
  • [12,7]
  • [10,2,5]
Base
  • 10
  • 2
  • 5
TopValue
19
HiddenCells
  • {"r":1,"c":1,"v":7}
  • {"r":2,"c":2,"v":5}