expert Set 65 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [15, 6] → [_, _, 1]

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Answer: Row3[2]=5, Row3[1]=10

SubType
number-pyramid
Difficulty
expert
Levels
  • [21]
  • [15,6]
  • [10,5,1]
Base
  • 10
  • 5
  • 1
TopValue
21
HiddenCells
  • {"r":2,"c":1,"v":5}
  • {"r":2,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 11] → [10, _, 9]

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Answer: Row3[2]=2, Row1[1]=23

SubType
number-pyramid
Difficulty
expert
Levels
  • [23]
  • [12,11]
  • [10,2,9]
Base
  • 10
  • 2
  • 9
TopValue
23
HiddenCells
  • {"r":2,"c":1,"v":2}
  • {"r":0,"c":0,"v":23}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, _] → [6, 4, 7]

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Answer: Row1[1]=21, Row2[2]=11

SubType
number-pyramid
Difficulty
expert
Levels
  • [21]
  • [10,11]
  • [6,4,7]
Base
  • 6
  • 4
  • 7
TopValue
21
HiddenCells
  • {"r":0,"c":0,"v":21}
  • {"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): [13] → [_, _] → [2, 5, 1]

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Answer: Row2[1]=7, Row2[2]=6

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