expert Set 51 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [_, _] → [2, 7, 4]

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Answer: Row2[1]=9, Row2[2]=11

SubType
number-pyramid
Difficulty
expert
Levels
  • [20]
  • [9,11]
  • [2,7,4]
Base
  • 2
  • 7
  • 4
TopValue
20
HiddenCells
  • {"r":1,"c":0,"v":9}
  • {"r":1,"c":1,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [_, 9] → [_, 7, 2]

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Answer: Row3[1]=4, Row2[1]=11

SubType
number-pyramid
Difficulty
expert
Levels
  • [20]
  • [11,9]
  • [4,7,2]
Base
  • 4
  • 7
  • 2
TopValue
20
HiddenCells
  • {"r":2,"c":0,"v":4}
  • {"r":1,"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): [20] → [10, _] → [4, 6, _]

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Answer: Row3[3]=4, Row2[2]=10

SubType
number-pyramid
Difficulty
expert
Levels
  • [20]
  • [10,10]
  • [4,6,4]
Base
  • 4
  • 6
  • 4
TopValue
20
HiddenCells
  • {"r":2,"c":2,"v":4}
  • {"r":1,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [9, 6] → [_, _, 4]

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [15]
  • [9,6]
  • [7,2,4]
Base
  • 7
  • 2
  • 4
TopValue
15
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":2,"c":1,"v":2}