expert Set 21 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [16, 15] → [7, _, _]

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Answer: Row3[2]=9, Row3[3]=6

SubType
number-pyramid
Difficulty
expert
Levels
  • [31]
  • [16,15]
  • [7,9,6]
Base
  • 7
  • 9
  • 6
TopValue
31
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"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): [_] → [_, 11] → [7, 2, 9]

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Answer: Row1[1]=20, Row2[1]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [20]
  • [9,11]
  • [7,2,9]
Base
  • 7
  • 2
  • 9
TopValue
20
HiddenCells
  • {"r":0,"c":0,"v":20}
  • {"r":1,"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): [22] → [_, _] → [7, 3, 9]

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Answer: Row2[1]=10, Row2[2]=12

SubType
number-pyramid
Difficulty
expert
Levels
  • [22]
  • [10,12]
  • [7,3,9]
Base
  • 7
  • 3
  • 9
TopValue
22
HiddenCells
  • {"r":1,"c":0,"v":10}
  • {"r":1,"c":1,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [13] → [6, _] → [_, 2, 5]

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Answer: Row3[1]=4, Row2[2]=7

SubType
number-pyramid
Difficulty
expert
Levels
  • [13]
  • [6,7]
  • [4,2,5]
Base
  • 4
  • 2
  • 5
TopValue
13
HiddenCells
  • {"r":2,"c":0,"v":4}
  • {"r":1,"c":1,"v":7}