expert Set 74 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [10, 10] → [_, _, 5]

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Answer: Row3[2]=5, Row3[1]=5

SubType
number-pyramid
Difficulty
expert
Levels
  • [20]
  • [10,10]
  • [5,5,5]
Base
  • 5
  • 5
  • 5
TopValue
20
HiddenCells
  • {"r":2,"c":1,"v":5}
  • {"r":2,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [_, _] → [9, 1, 8]

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Answer: Row2[1]=10, Row2[2]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [19]
  • [10,9]
  • [9,1,8]
Base
  • 9
  • 1
  • 8
TopValue
19
HiddenCells
  • {"r":1,"c":0,"v":10}
  • {"r":1,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [13, _] → [4, 9, 9]

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Answer: Row1[1]=31, Row2[2]=18

SubType
number-pyramid
Difficulty
expert
Levels
  • [31]
  • [13,18]
  • [4,9,9]
Base
  • 4
  • 9
  • 9
TopValue
31
HiddenCells
  • {"r":0,"c":0,"v":31}
  • {"r":1,"c":1,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [12, _] → [7, 5, _]

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Answer: Row3[3]=4, Row2[2]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [21]
  • [12,9]
  • [7,5,4]
Base
  • 7
  • 5
  • 4
TopValue
21
HiddenCells
  • {"r":2,"c":2,"v":4}
  • {"r":1,"c":1,"v":9}